diff --git a/paramecio/citoplasma/i18n.py b/paramecio/citoplasma/i18n.py
index a205934..18c10e5 100644
--- a/paramecio/citoplasma/i18n.py
+++ b/paramecio/citoplasma/i18n.py
@@ -1,15 +1,38 @@
 #!/usr/bin/env python3
 
+"""
+Parameciofm is a series of wrappers for bottle.py, mako and others and construct a simple headless cms.
+
+Copyright (C) 2024 Antonio de la Rosa Caballero
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program.  If not, see <https://www.gnu.org/licenses/>.
+"""
+
 from importlib import import_module
 from paramecio.citoplasma.sessions import get_session
 import json
 from bottle import request
+import gettext
+import os
 
 yes_session=False
 
 i18n_module={}
 
 def load_lang(*args):
+    """A function for load the lang module dinamically
+    """
     
     for module in args:
         
@@ -26,9 +49,57 @@ def load_lang(*args):
         
        # here load the language 
         
+class PGetText:
+    
+    # Dict where all gettext domain are saved -> domain=name, example, admin, libraries, pastafari2, etc...
+    
+    l={}
+    
+    def __init__(self, module_file):
+        
+        module_dir=os.path.dirname(os.path.realpath(module_file))
+        
+        module_name=os.path.basename(module_dir)
+        
+        if module_name not in PGetText.l:
+            
+            PGetText.l[module_name]={}
+        
+            for i in I18n.dict_i18n:
+        
+                if i not in PGetText.l[module_name]:
+                    
+                    PGetText.l[module_name][i]=gettext.translation(module_name, module_dir+'/languages/', languages=[i], fallback=True)
+                    PGetText.l[module_name][i].install()
+                    
+        self.module=module_name
+        
+    def gettext(self, text):
+        
+        return PGetText.l[self.module][I18n.get_default_lang()].gettext(text)
+
+def pgettext(module_file):
+    
+    module=os.path.dirname(os.path.realpath(module_file))
+    
+    base_name=os.path.dirname(os.path.realpath(module))
+    
+    l=gettext.translation(os.path.basename(base_name), module+'/languages/', languages=I18n.get_default_lang(), fallback=True)
+    
+    return l.gettext
 
 class I18n:
     
+    """Class for i18n tasks
+    
+    Class for i18n tasks, how, strings for every language supported, for now are en-US and es-ES. You can add more languages adding 
+    
+    Attributes:
+        default_lang (str): The default string lang used when get someone
+        dict_i18n (list): The list with default languages. You can add more calling it static variable in settings/config.py
+        
+    """
+    
     default_lang='en-US'
     
     dict_i18n=['en-US', 'es-ES']
@@ -42,6 +113,7 @@ class I18n:
     
     @staticmethod
     def get_default_lang():
+        """Static method for get the default lang"""
         
         lang=I18n.default_lang
         
@@ -53,6 +125,15 @@ class I18n:
     
     @staticmethod
     def lang(module, symbol, text_default, lang=None):
+        """Static method for get a string from selected language
+        
+        Static method used to get the string of the selected language. If there is no string in the selected language, it returns text_default.
+        
+        Args:
+            module (str): The module to which the translation string belongs 
+            symbol (str): Simple symbol that is useful for identify the string
+            text_default (str): The text used by default when there are not translation in the selected language 
+        """
         
         if not lang:
             lang=I18n.get_default_lang()
@@ -67,7 +148,12 @@ class I18n:
 
     @staticmethod
     def extract_value(value):
-
+        """Static method for get values from json lang array
+        
+        Args:
+            value (json): Lang dict in json format
+        """
+        
         value=json.loads(value)
 
         lang=I18n.get_default_lang()
@@ -93,3 +179,4 @@ class I18n:
         
         return json.dumps(arr_final)
 
+common_pgettext=PGetText(__file__)
diff --git a/paramecio/citoplasma/sessions.py b/paramecio/citoplasma/sessions.py
index 3d41064..257ba14 100644
--- a/paramecio/citoplasma/sessions.py
+++ b/paramecio/citoplasma/sessions.py
@@ -15,7 +15,7 @@ except:
         key_encrypt=create_key_encrypt_256(30)
         session_opts={'session.data_dir': 'sessions', 'session.type': 'file', 'session.path': 'paramecio'}
 
-from itsdangerous import JSONWebSignatureSerializer
+#from itsdangerous import JSONWebSignatureSerializer
 from bottle import request, response
 import os
 try:
diff --git a/paramecio/create_module.py b/paramecio/create_module.py
index 96e7c87..544402f 100644
--- a/paramecio/create_module.py
+++ b/paramecio/create_module.py
@@ -10,6 +10,8 @@ from settings import config
 from importlib import import_module
 
 def start():
+    """Module for create new modules for paramecio
+    """
 
     parser=argparse.ArgumentParser(description='A tool for create new modules for paramecio')
 
@@ -99,11 +101,8 @@ def regenerate_modules_config():
             print("-"*60)
             exit(1)
     
-    f=open('./settings/modules.py', 'w')
-    
-    f.write("".join(modules))
-    
-    f.close()
+    with open('./settings/modules.py', 'w') as f:
+        f.write("".join(modules))
 
 if __name__=="__main__":
     start()
diff --git a/paramecio/cromosoma/corefields.py b/paramecio/cromosoma/corefields.py
index 4c24ba3..5a48807 100644
--- a/paramecio/cromosoma/corefields.py
+++ b/paramecio/cromosoma/corefields.py
@@ -1,21 +1,46 @@
+"""
+Parameciofm is a series of wrappers for Bottle.py, mako and others and construct a simple headless cms.
+
+Copyright (C) 2024 Antonio de la Rosa Caballero
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program.  If not, see <https://www.gnu.org/licenses/>.
+"""
+
 from paramecio.cromosoma.webmodel import PhangoField
 from paramecio.cromosoma import coreforms
 from paramecio.citoplasma.i18n import I18n
+#from bs4 import BeautifulSoup
+import bleach
 
 class IntegerField(PhangoField):
     
     """Class that figure an integer sql type field.
-
-    Args:
-        name (str): The name of new field
-        size (int): The size of the new field in database. By default 11.
-        required (bool): Boolean for define if 
-
     """
     
     def __init__(self, name, size=11, required=False):
+        """
+        Args:
+            name (str): The name of field
+            size (int): The size of the new field in database. By default 11.
+            required (bool): Boolean for define if field is required or not
+        """
+        
         super(IntegerField, self).__init__(name, size, required)
         self.default_value=0
+        
+        
+        self.type_sql='int({})'.format(self.size)
     
     def check(self, value):
         
@@ -60,6 +85,11 @@ class BigIntegerField(IntegerField):
 
     """
     
+    def __init__(self, name, size=11, required=False):
+    
+        super().__init__(name, size, required)
+        self.type_sql='bigint({})'.format(self.size)
+    
     def get_type_sql(self):
         
         """Method for return the sql code for this type
@@ -85,6 +115,7 @@ class FloatField(PhangoField):
         
         self.error_default="The value is zero"
         self.default_value=0
+        self.type_sql='float'.format(self.size)
     
     def check(self, value):
         
@@ -123,26 +154,55 @@ class FloatField(PhangoField):
         return 'FLOAT NOT NULL DEFAULT "0"'
 
 class DecimalField(FloatField):
+    """PhangoField field for Decimals fields."""
+    
+    def __init__(self, name, size=11, required=False):
+    
+        super().__init__(name, size, required)
+        self.type_sql='decimal(20,2)'
     
     def get_type_sql(self):
 
         return 'DECIMAL(20, 2) NOT NULL DEFAULT "0"'
 
 class DoubleField(FloatField):
+    """PhangoField field for Double fields."""
+    
+    def __init__(self, name, size=11, required=False):
+    
+        super().__init__(name, size, required)
+        self.type_sql='double'
     
     def get_type_sql(self):
 
         return 'DOUBLE NOT NULL DEFAULT "0"'
 
 class CharField(PhangoField):
+    """Simple alias for PhangoField"""
     
     pass
 
 class TextField(PhangoField):
+    """Class used for text fields
+    
+    Class used for text fields, use TEXT sql type for the this field.
+    """
     
     def __init__(self, name, required=False):
+        """Init TextField class different to standard PhangoField
+        
+        Args:
+            name (str): The name of new field
+            required (bool): Boolean for define if field is required or not
+            
+        Attributes: 
+            set_default (str): Set if the value es NOT NULL or not
+        """
+        
         super().__init__(name, 11, required)
         
+        self.type_sql='text'
+        
         self.set_default='NOT NULL'
         
     def get_type_sql(self):
@@ -153,19 +213,107 @@ class TextField(PhangoField):
 
         return 'TEXT '+self.set_default
 
-class HTMLField(TextField):
+class LongTextField(TextField):
+    """Class used for long text fields (32 bits size, 4G)
+    
+    Class used for text fields, use LONGTEXT sql type for the this field.
+    """
     
     def __init__(self, name, required=False):
+        """Init TextField class different to standard PhangoField
+        
+        Args:
+            name (str): The name of new field
+            required (bool): Boolean for define if field is required or not
+            
+        Attributes: 
+            set_default (str): Set if the value es NOT NULL or not
+        """
+        
         super().__init__(name, required)
+        self.type_sql='longtext'
+    
+    def get_type_sql(self):
+        
+        """Method for return the sql code for this type
+
+        """
+
+        return 'LONGTEXT '+self.set_default
+
+class HTMLField(TextField):
+    """Class used for html fields
+    
+    Class used for html fields, use TEXT sql type for the this field because is children of TextField. In this method self.escape is used for convert " to &quot;
+    """
+    
+    def __init__(self, name, required=False):
+        """Init HTMLField class different to standard PhangoField
+        
+        Args:
+            name (str): The name of new field
+            required (bool): Boolean for define if field is required or not
+        
+        Attributes:
+            trusted_tags (list): A list with safe tags.
+        """
+        
+        super().__init__(name, required)
+        self.trusted_tags=[]
 
     def check(self, value):
+        """Check method for html values
         
-        return re.sub('<.*?script?>', '', value)
+        This check method use beautifulsoap for clean and format html code
+        """
+        
+        # leach.clean('<p>"trial"</p><script></script>', tags=('p'))
+        """
+        soup=BeautifulSoup(value, features='html.parser')
 
+        for tag in soup.findAll(True):
+            
+            if tag.name not in self.trusted_tags:
+                tag.hidden=True
 
+        value=soup.renderContents().decode('utf-8')
+        
+        if self.escape:
+            
+            return value.replace('"', '&quot;')
+        else:
+            
+            return value
+
+        """
+        
+        value=bleach.clean('<p>"trial"</p><script></script>', tags=self.trusted_tags)
+        
+        if self.escape:
+            
+            return value.replace('"', '&quot;')
+        else:
+            
+            return value
+        
+        
 class ForeignKeyField(IntegerField):
+    """Subclass of IntegerField for create Foreign keys
+    
+    A subclass of IntegerField used for create foreign keys in related tables. 
+    """
     
     def __init__(self, name, related_table, size=11, required=False, identifier_field='id', named_field="id", select_fields=[]):
+        """
+        Args:
+            name (str): Name of field
+            related_table (WebModel): The table-model related with this foreign key
+            size (int): The size of the new field in database. By default 11.
+            required (bool): Boolean for define if field is required or not
+            identifier_field (str): The Id field name from related table
+            named_field (str): The field from related table used for identify the row seleted from related table
+            select_fields (list): A series of fields names from related 
+        """
         
         super(ForeignKeyField, self).__init__(name, size, required)
         
@@ -192,7 +340,7 @@ class ForeignKeyField(IntegerField):
         value=super().check(value)
         
         if value=='0' or value==0:
-            value='NULL'
+            value=None
             
         return value
 
@@ -206,8 +354,15 @@ class ForeignKeyField(IntegerField):
         
 
 class BooleanField(IntegerField):
+    """Field for boolean values
+    """
     
     def __init__(self, name, size=1):
+        """
+        Args:
+            name (str): Name of field
+            size (int): The size of the new field in database. By default 11.
+        """
         
         required=False
         
@@ -219,6 +374,8 @@ class BooleanField(IntegerField):
         self.default_error="Need 0 or 1 value"
         self.default_value=0
     
+        self.type_sql='tinyint(1)'
+    
     def check(self, value):
         
         self.error=False
@@ -231,6 +388,7 @@ class BooleanField(IntegerField):
             if value<0 or value>1:
                 self.txt_error=self.default_error
                 self.error=True
+                value=0
 
         except:
             
diff --git a/paramecio/cromosoma/coreforms.py b/paramecio/cromosoma/coreforms.py
index 3247ddc..76d8a7a 100644
--- a/paramecio/cromosoma/coreforms.py
+++ b/paramecio/cromosoma/coreforms.py
@@ -1,13 +1,55 @@
 #!/usr/bin/env python3
 
+"""
+Parameciofm is a series of wrappers for Bottle.py, mako and others and construct a simple headless cms.
+
+Copyright (C) 2024 Antonio de la Rosa Caballero
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program.  If not, see <https://www.gnu.org/licenses/>.
+"""
+
+
 from collections import OrderedDict
 from html import escape
 
 #Forms para python3
 
 class BaseForm:
+    """The class used by all forms classes
+    
+    BaseForm is the base class used for all form classes.
+    
+    A form class is used for generate simple html forms, how input type, text type, hidden type, etc. PhangoField classes use this forms for generate automatically forms using GenerateAdminClass and others.
+    """
     
     def __init__(self, name, value):
+        """
+        Args:
+            name (str): The html name for this form
+            value (str): The default value of this html form. 
+            
+        Attributes:
+            label (str): Label used in functions how show_form that generate a complete html form from a form class list
+            name (str): Name of the html form.
+            default_value (mixed): The default value of the form. Equal to value in typical html form.
+            css (str): Used for add css classes to the html form
+            type (str): Variable used for conventional html forms with html tag <input>
+            field (PhangoField): Field related with this form. Used in PhangoField. 
+            required (boolean): If form is required or not, used in functions that generate forms.
+            name_field_id (str): The html id for the html form. Used for html things.
+            help (str): A string with help text, used in functions that generate forms.
+        """
         
         self.label=name
         self.name=name
@@ -17,26 +59,45 @@ class BaseForm:
         self.field=None
         self.required=False
         self.txt_error=''
+        self.error=False
         self.name_field_id=self.name+'_form'
         self.help=''
+        self.placeholder=''
         
     def form(self):
+        """Method for returm the html code of the form
+        """
         
-        return '<input type="'+self.type+'" class="'+self.css+'" name="'+self.name+'" id="'+self.name_field_id+'" value="'+self.setform(self.default_value)+'" />'
+        return '<input type="'+self.type+'" class="'+self.css+'" name="'+self.name+'" id="'+self.name_field_id+'" value="'+self.setform(self.default_value)+'" placeholder="'+self.placeholder+'" />'
     
     def show_formatted(self, value):
+        """Method for show the value of form formatted
+        
+        Args:
+            value (mixed): The value of field form
+        """
     
         return value
     
     #Method for escape value for html input. DON'T CHANGE IF YOU DON'T KNOWN WHAT ARE YOU DOING
     
     def setform(self, value):
+        """A method for set the value in the form for escape and other things
+        
+        Args:
+            value (mixed): The value of field form for set
+        """
         
         value=str(value)
         
         return value.replace('"', '&quot;').replace("'", '&#39;')
     
     def change_name(self, new_name):
+        """A method for change the default form html name of the field form
+        
+        Args:
+            new_name (str): The new name of the form. Always is finished with _form suffix
+        """
         
         self.name=new_name
 
@@ -45,6 +106,8 @@ class BaseForm:
         return ""
 
 class SimpleTextForm(BaseForm):
+    """Form for simple text
+    """
     
     def __init__(self, name, value):
         super().__init__(name, value)
@@ -56,6 +119,8 @@ class SimpleTextForm(BaseForm):
         return super().form()+' '+self.after_text
 
 class TextForm(BaseForm):
+    """Form for simple text form
+    """
     
     def __init__(self, name, value):
         super(TextForm, self).__init__(name, value)
@@ -65,6 +130,8 @@ class TextForm(BaseForm):
         return '<textarea class="'+self.css+'" name="'+self.name+'" id="'+self.name+'_form">'+self.setform(self.default_value)+'</textarea>'
 
 class PasswordForm(BaseForm):
+    """Form for password forms
+    """
     
     def __init__(self, name, value, show_password=False):
         super(PasswordForm, self).__init__(name, value)
@@ -79,6 +146,8 @@ class PasswordForm(BaseForm):
             return value
 
 class HiddenForm(BaseForm):
+    """Form for hidden forms
+    """
     
     def __init__(self, name, value):
         super(HiddenForm, self).__init__(name, value)
@@ -86,8 +155,16 @@ class HiddenForm(BaseForm):
 
 
 class SelectForm(BaseForm):
+    """Form for select html form
+    """
     
     def __init__(self, name, value, elements=OrderedDict()):
+        """
+        Args:
+            name (str): The html name for this form
+            value (str): The default value of this html form
+            elements (OrderedDict): An ordered dict with the keys(the form value) and text label. Example, if you have a OrderedDict how {'0': 'Value selected'} in a html select form you have the next result: <select name="name"><option value="0">Value selected</option></selected>
+        """
         super(SelectForm, self).__init__(name, value)
         self.arr_select=elements
     
@@ -107,8 +184,19 @@ class SelectForm(BaseForm):
         return the_form
 
 class SelectModelForm(SelectForm):
+    """Form for select html using a webmodel how base for get the data
+    """
     
     def __init__(self, name, value, model, field_name, field_value, field_parent=None):
+        """
+        Args:
+            name (str): The html name for this form
+            value (str): The default value of this html form. 
+            model (WebModel): The webmodel used for get the data for arr_select
+            field_name (str): The field used for get the name of every option in select
+            field_value (str): The field used for get the value of every option in select
+            field_parent (int): If the model have parents or children, the value of this argument
+        """
         super(SelectModelForm, self).__init__(name, value)
         
         try:
@@ -129,12 +217,16 @@ class SelectModelForm(SelectForm):
         
         
     def normal_form(self):
+        """Method for prepare the form hierated from SelectForm class, without parents
+        
+        Method for prepare the form hierated from SelectForm class getting data from database using model attribute.
+        """
         
         self.arr_select['']=''
         
         with self.model.select([self.field_name, self.field_value], True) as cur:        
             for arr_value in cur:
-                
+                #print(self.model.fields[self.field_name])
                 self.arr_select[arr_value[self.field_value]]=self.model.fields[self.field_name].show_formatted(arr_value[self.field_name])
                 
             try:
@@ -147,6 +239,10 @@ class SelectModelForm(SelectForm):
         return super().form()
         
     def parent_form(self):
+        """Method for prepare the form hierated from SelectForm class, with parents
+        
+        Method for prepare the form hierated from SelectForm class getting data from database using model attribute.
+        """
         
         self.arr_select['']=''
         
@@ -168,7 +264,8 @@ class SelectModelForm(SelectForm):
                     
                     arr_son[arr_value[self.field_parent]]=[]
                 
-                arr_son[arr_value[self.field_parent]].append([arr_value[self.field_value], arr_value[self.field_name]])
+                if arr_value[self.field_value]!=self.model.model_id:
+                    arr_son[arr_value[self.field_parent]].append([arr_value[self.field_value], self.model.fields[self.field_name].show_formatted(arr_value[self.field_name])])
         
         self.create_son(0, arr_son)
         
@@ -186,6 +283,8 @@ class SelectModelForm(SelectForm):
         
 
     def create_son(self, parent_id, arr_son, separator=''):
+        """Recursive method for generate parents and children dictionary
+        """
         
         if parent_id in arr_son:        
             for son in arr_son[parent_id]:
diff --git a/paramecio/cromosoma/dbadmin.py b/paramecio/cromosoma/dbadmin.py
index ecaaabb..8e57590 100644
--- a/paramecio/cromosoma/dbadmin.py
+++ b/paramecio/cromosoma/dbadmin.py
@@ -1,5 +1,25 @@
 #!/usr/bin/env python3
 
+"""
+Parameciofm is a series of wrappers for Bottle.py, mako and others and construct a simple headless cms.
+
+Copyright (C) 2024 Antonio de la Rosa Caballero
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program.  If not, see <https://www.gnu.org/licenses/>.
+"""
+
+
 import argparse
 import os,traceback
 import sys, inspect
@@ -10,11 +30,18 @@ from pathlib import Path
 from colorama import init, Fore, Back, Style
 from importlib import import_module, reload
 from paramecio.cromosoma.webmodel import WebModel
-from settings import config
+sys.path.insert(0, os.path.realpath('.'))
 
-#from models import books
+try:
+    from settings import config
+except:
+    #print('You need a settings directory with a paramecio2 configuration')
+    #sys.exit(1)
+    pass
 
 def start():
+    """Function for create and update mysql tables using webmodel classes and fields how source. 
+    """
     
     connection=WebModel.connection()
     
@@ -103,6 +130,32 @@ def start():
     
     new_tables=[x for x in tables if x not in table_exists]
     
+    # Get foreignkeys
+            
+    # SELECT * FROM information_schema.TABLE_CONSTRAINTS WHERE CONSTRAINT_SCHEMA='catalogdev_db' AND information_schema.TABLE_CONSTRAINTS.CONSTRAINT_TYPE = 'FOREIGN KEY' ;
+    
+    foreignkey_fields={}
+    
+    #| CONSTRAINT_CATALOG | CONSTRAINT_SCHEMA | CONSTRAINT_NAME                         | TABLE_SCHEMA  | TABLE_NAME        | CONSTRAINT_TYPE |
+    #+--------------------+-------------------+-----------------------------------------+---------------+-------------------+-----------------+
+    #| def                | catalogdev_db     | product_id_attributesIDX                | catalogdev_db | attributes        | FOREIGN KEY     |
+
+    
+    #WebModel.connections
+    
+    db_name=WebModel.connections['default']['db']
+    
+    with connection.query('SELECT * FROM information_schema.TABLE_CONSTRAINTS WHERE CONSTRAINT_SCHEMA=%s AND information_schema.TABLE_CONSTRAINTS.CONSTRAINT_TYPE = %s', [db_name, 'FOREIGN KEY']) as cursor:
+        
+        for row in cursor:
+            if not row['TABLE_NAME'] in foreignkey_fields:
+                foreignkey_fields[row['TABLE_NAME']]=[]
+            
+            foreignkey_fields[row['TABLE_NAME']]=row['CONSTRAINT_NAME'].replace('_{}IDX'.format(row['TABLE_NAME']), '')
+        
+        pass
+    
+    
     #If don't want order
     #new_tables=set(tables)-set(table_exists)
     
@@ -160,6 +213,23 @@ def start():
         print(Style.BRIGHT+"Checking old versions of model for find changes...")
         
         for table in tables:
+            
+            #print(table)
+            
+            table_fields={table: {}}
+            
+            #  Field           | Type         | Null | Key | Default | Extra          |
+            #| id              | int(11)      | NO   | PRI | NULL    | auto_increment |
+            
+            with connection.query('describe %s' % table) as cursor:
+                #all_fields=cursor.fetchall()
+                #print(all_fields)
+                
+                for row in cursor:
+                    table_fields[table][row['Field']]={'type': row['Type'], 'key': row['Key']}
+                    pass
+            #print(table_fields)
+        
         #connection.query("")
             #Check if new table
             
@@ -182,7 +252,8 @@ def start():
             
             for f, v in WebModel.model[table].fields.items():
                 
-                if not f in WebModel.model[old_table].fields:
+                #if not f in WebModel.model[old_table].fields:
+                if not f in table_fields[table]:
                     
                     fields_to_add.append(f)
                     
@@ -226,13 +297,15 @@ def start():
                 
                     #Add index
                     
-                    if v.indexed==True and v_old.indexed==False:
+                    #if v.indexed==True and v_old.indexed==False:
+                    if v.indexed==True and table_fields[table][f]['key']!='MUL':
                         
                         fields_to_add_index.append(f)
                         
                         changes+=1
                     
-                    if v.indexed==False and v_old.indexed==True:
+                    #if v.indexed==False and v_old.indexed==True:
+                    if v.indexed==False and table_fields[table][f]['key']=='MUL' and v.foreignkey==False:
                         
                         fields_to_delete_index.append(f)
                         
@@ -240,13 +313,15 @@ def start():
                     
                     #Add unique
                     
-                    if v.unique==True and v_old.unique==False:
+                    #if v.unique==True and v_old.unique==False:
+                    if v.unique==True and table_fields[table][f]['key']!='UNI':
                         
                         fields_to_add_unique.append(f)
                         
                         changes+=1
                         
-                    if v.unique==False and v_old.unique==True:
+                    #if v.unique==False and v_old.unique==True:
+                    if v.unique==False and table_fields[table][f]['key']=='UNI':
                         
                         fields_to_delete_unique.append(f)
                         
@@ -254,29 +329,43 @@ def start():
                     
                     #Add constraint
                     
-                    if v.foreignkey==True and v_old.foreignkey==False:
+                    #if v.foreignkey==True and v_old.foreignkey==False:
+                    if v.foreignkey==True and table_fields[table][f]['key']!='MUL':
                         
                         fields_to_add_constraint.append(f)
                         
                         changes+=1
                         
-                    if v.foreignkey==False and v_old.foreignkey==True:
+                    #if v.foreignkey==False and v_old.foreignkey==True:
+                    if v.foreignkey==False and table_fields[table][f]['key']=='MUL':
                         
-                        fields_to_delete_constraint.append(f)
+                        if table in foreignkey_fields:
                         
-                        changes+=1
-                
-            for f, v in WebModel.model[old_table].fields.items():
+                            if f in foreignkey_fields[table]:
+                            
+                                fields_to_delete_constraint.append(f)
+                                
+                                changes+=1
+            
+            # Clean fields
+            
+            #for f, v in WebModel.model[old_table].fields.items():
+            
+            for f, v in table_fields[table].items():
                 
                 if not f in WebModel.model[table].fields:
                     
                     #Add constraint
                     
-                    if v.foreignkey==True:
-                        
-                        fields_to_delete_constraint.append(f)
-                        
-                        changes+=1
+                    #if v.foreignkey==True:
+                    
+                    if table in foreignkey_fields:
+                    
+                        if f in foreignkey_fields[table]:
+                            
+                            fields_to_delete_constraint.append(f)
+                            
+                            changes+=1
                     
                     fields_to_delete.append(f)
                     
diff --git a/paramecio/cromosoma/extrafields/emailfield.py b/paramecio/cromosoma/extrafields/emailfield.py
index bd35b5c..1c4be2e 100644
--- a/paramecio/cromosoma/extrafields/emailfield.py
+++ b/paramecio/cromosoma/extrafields/emailfield.py
@@ -1,7 +1,7 @@
 from paramecio.cromosoma.corefields import CharField
 import re
 
-mail_pattern=re.compile("\w[\w\.-]*@\w[\w\.-]+\.\w+")
+mail_pattern=re.compile(r"\w[\w\.-]*@\w[\w\.-]+\.\w+")
 
 class EmailField(CharField):
     
diff --git a/paramecio/cromosoma/webmodel.py b/paramecio/cromosoma/webmodel.py
index c4da46f..459a79b 100644
--- a/paramecio/cromosoma/webmodel.py
+++ b/paramecio/cromosoma/webmodel.py
@@ -1,18 +1,54 @@
 #!/usr/bin/env python3
 
+from paramecio.cromosoma.databases.sqlalchemy import SqlClass
+from paramecio.cromosoma.coreforms import BaseForm, HiddenForm
 import sys
 import re
 import uuid
 from importlib import import_module, reload
 from collections import OrderedDict
-from paramecio.cromosoma.databases.sqlalchemy import SqlClass
-from paramecio.cromosoma.coreforms import BaseForm, HiddenForm
 import copy
 import traceback
 
 class PhangoField:
+    """Base class for fields used in WebModel classes
+    
+    PhangoField is a class with all elements and variables that you can imagine for a database mysql field in a table. You have many types similar to mysql field types.
+    """
     
     def __init__(self, name, size=255, required=False):
+        """
+        Args:
+            name (str): The name of the field
+            size (int): The size of sql field.
+            required (bool): If the field is required or not. 
+            
+        Attributes:
+            name (str): The name of the field
+            label (str): A label or generic name for use in text labels used for representate the field
+            required (bool): If the field is required or not. 
+            size (int): The size of sql field.
+            protected (bool): If the field can be updated or not in WebModel update method.
+            quote_close (str): In old versions was used for get more protection for sql sentences
+            error (bool): If error in query, set to True.
+            txt_error (str): Variable where the basic text error is saved
+            model (str): The model where this component or field live
+            indexed (bool): Property used for set this field how indexed in the database table.
+            unique (bool): Property used for set this field how unique value in the database table.
+            foreignkey (bool): Simple property for make more easy identify foreignkeyfields.
+            default_value (str): Property that define the default value for this field
+            update (bool): Property that define if this field is in an update operation or insert operation
+            check_blank (bool): Property used for check if this value cannot change if is in blank and is filled
+            name_form(BaseForm): Define the form, when is created forms with create_forms you can change the properties of this class
+            escape (bool): Property that define if make escape in show_formatted.  This property control the html transformation  of <>" characters in html entities.If false, convert.
+            file_related (bool): File related: if the field have a file related, delete the file
+            extra_parameters (list): Extra parameters for the form related with this field
+            t (PTemplate): Template manager for the form if needed
+            error_default (str): Error text by default
+            show_formatted_value (bool): Show this value formatted
+            help (str): Value used for help strings in tooltips in forms
+            
+        """
         
         # The name of the field in database table
         
@@ -50,7 +86,7 @@ class PhangoField:
         
         self.txt_error=""
         
-        # Themodel where this component or field live
+        # The model where this component or field live
     
         self.model=None
         
@@ -100,7 +136,7 @@ class PhangoField:
         
         # Error by default
         
-        self.error_default='Error: field required'
+        self.error_default='Error: '+self.name+' field required'
         
         # Show this value formatted
         
@@ -109,28 +145,29 @@ class PhangoField:
         # Value used for help strings in tooltips in forms
      
         self.help=''
-     
-    # This method is used for describe the new field in a sql language format.
-    
+        
+        self.type_sql='varchar({})'.format(self.size)
 
     def get_type_sql(self):
+        """This method is used for describe the new field in a sql language format."""
 
         return 'VARCHAR('+str(self.size)+') NOT NULL DEFAULT "'+self.default_value+'"'
     
     def show_formatted(self, value):
+        """Method for format the value to show in html or others text outputs"""
         
         return value
-    
-    # This method for check the value
-    
 
     def check(self, value):
+        """Method for check if value is valid for this type field"""
         
         self.error=False
         self.txt_error=''
         
         value=str(value).strip()
         
+        #Minimal escape for prevent basic js injection. 
+        
         if self.escape==False:        
             value=value.replace('<', '&lt;')
             
@@ -150,6 +187,7 @@ class PhangoField:
         pass
     
     def create_form(self):
+        """Create a BaseForm object for use in forms functions and methods"""
         #self.name, self.default_value, 
         
         final_parameters=copy.copy(self.extra_parameters)
@@ -165,6 +203,7 @@ class PhangoField:
         return form
     
     def change_form(self, new_form, parameters):
+        """Change the base form of the field and its parameters"""
         
         self.name_form=new_form
         
@@ -174,6 +213,10 @@ class PhangoField:
         pass
 
 class PrimaryKeyField(PhangoField):
+    """Primary key field based in PhangoField. 
+    
+    This field is used for create a typical id field in a mariadb/mysql table
+    """
     
     def __init__(self, name, size=11, required=False):
         super(PrimaryKeyField, self).__init__(name, size, required)
@@ -181,6 +224,7 @@ class PrimaryKeyField(PhangoField):
         self.name_form=HiddenForm
         self.required=False
         self.error_default="The value is zero"
+        self.type_sql='int({})'.format(self.size)
     
     def check(self, value):
         
@@ -217,6 +261,24 @@ class PrimaryKeyField(PhangoField):
         
 
 class WebModel:
+    """The most important class for the framework
+    
+    Webmodel is a class for create objects that represent models. This models are a mirage of SQL tables. You can create fields, add indexes, foreign keys, and more.
+    
+    Attributes:
+        arr_sql_index (dict): Internal dict used for generate mysql index in fields
+        arr_sql_set_index (dict): Internal dict used for generate mysql index in fields
+        arr_sql_unique (dict): Internal dict used for generate mysql unique values in fields
+        arr_sql_set_unique (dict): Internal dict used for generate mysql unique values in fields
+        last_query (str): The last query execute by WebModel
+        connection_pool (list): A list used in older versions, deprecated
+        first_primary_key (PrimaryKeyField): Field used for primary field and create models in database. 
+        model (OrderedDict): Dict used for internal things and create tables.
+        connections (dict): A dict with the configuration of the mysql connection. You can use this element in config.py. You set elements, normally "default" with typical elements how:
+            host: Database host, user: The username of mysql db, password: The password of user, db: The name of the db, charset: The charset of database, normally utf8, db_type: The db_type, possible values are mysqldb or pymysql, by default, pymysql.
+        connection_id (str): The id by default of the selected connection from connections. 
+
+    """
     
     __slots__=('sqlclass', 'fields', 'forms')
     
@@ -248,12 +310,53 @@ class WebModel:
     
     @staticmethod
     def connection():
+        """Static method for make a connection using SqlClass
+        
+        Returns: Return a SqlClass connection for mysql db. 
+        """
         
         return SqlClass(WebModel.connections['default'])
     
     # Init the class
     
     def __init__(self, sqlclass=None, name_field_id="id"):
+        """
+        Args:
+            sqlclass (SqlClass): The SqlClass connection used for the mysql db
+            name_field_id (str): The name of field id of this model/mysql table
+            
+        Attributes:
+            name (str): The name of this model correspondient to the sql table name with lower string. 
+            label (str): Descriptive name, first is used self.name how default.
+            label_general (str): Descriptive general name, first is used self.name how default.
+            name_field_id (str): The name of field id of this model/mysql table
+            fields (OrderedDict): A dict with the fields of model/table based in PhangoField objects.
+            fields_error (OrderedDict): A dict where the errors when check data fields are saved
+            related (list): A list where related fields are saved.
+            forms (OrderedDict): A dict where forms related with fields using how base BaseForm class are saved if you use self.create_forms() method.
+            errors (dict): A dict where generic errors are saved.
+            num_errors (int): Number of errors generated by the model on query methods.
+            query_error (str): If error in query, saved here.
+            values_query (list): Where the values for a sql query for filtering are saved.
+            conditions (list): A list used for define the sql conditions. 
+                First element is the sql condition, Example: 'WHERE id=%s', and second element is the variable to substitute %s, example [1]. Complete example: ['WHERE id=%s', 1]
+            order_by (str): Internal variable used for set the sql order str. You don't shoud change this variable if yo don't know what are you doing.
+            limit (str): Internal variable used for set the sql limit str. 
+            related_models_deleted (list): Internal variable used for delete tables from db.
+            required_save (str): Internal variable used for required fields defined in self.fields
+            primary_key (str): Default name of primary key field
+            yes_reset_conditions (bool): If True, methods how select and update reset self.conditions. If False, self.conditions is used in next select and update executions.
+            updated (bool): True if the model is used for update, False if the model is used for insert or other operations.
+            valid_fields (list): List with the fields validated for insert or update
+            last_id (int): The id of last inserted row.
+            distinct (str): Add DISTINCT keyword to self.select method.
+            post (dict): A simple dictionary where post values are saved for use of fields classes
+            files_delete (dict): A simple dictionary that save the fields that have files related. If i delete the row in database i need delete the files related
+            sqlclass (SqlClass): A sql_class used for connect to db.
+            show_formatted (bool): If True, by default all fields are showed with formatted value using show_formatted method of PhangoField classes and children in select method. If False, raw value is showed.
+            enctype (bool): If True, forms generated using this model are prepared for enctype=multipart/form-data A.K.A. upload files.
+            model_id (int): Variable where the actual row from model selected can be saved for different things. 
+        """
         
         self.cached=WebModel.global_cached
         
@@ -277,7 +380,7 @@ class WebModel:
         
         # Errors of fields of the table, for safe thread reasons.
         
-        self.fields_error=OrderedDict()        
+        #self.fields_error=OrderedDict()        
         
         #The tables related with foreignkeyfield to this table
         
@@ -357,12 +460,18 @@ class WebModel:
         
         self.enctype=False
 
+        self.model_id=0
+
         self.dummy=0
 
     # A method for add the connection
     
     def conn(self, sqlclass):
+        """ Method for get the SqlClass object and prepare sql variables
         
+        Args:
+            sqlclass (SqlClass): A SqlClass object that present the db connection
+        """
         self.sqlclass=sqlclass
 
         # Reset conditions
@@ -378,6 +487,11 @@ class WebModel:
     # A method for change the name of table 
     
     def change_name(self, name):
+        """ A method for change the name of table 
+        
+        Args;
+            name (str): The new name of table
+        """
         
         self.name=name
 
@@ -386,6 +500,7 @@ class WebModel:
     # A method where create the new fields of this model
     
     def create_fields(self):
+        """Dummy method for use in children classes for add fields"""
         
         #print([i for i in dir(self.__class__) if i[:1] != '_'])
         #print(dir(self))
@@ -395,6 +510,14 @@ class WebModel:
     # A method for register the fields
     
     def register(self, field_model, required=False):
+        """A method for register the fields in model class
+        
+        With this method, your register your fields in the model, inside self.fields attribute. Fields are used for build the query for get the data from the sql table.
+        
+        Args:
+            field_model (PhangoField): PhangoField object for add to model
+            required (bool): If True, the field is required when you insert or update a item row in table model. If False, the field is not required. If field is not required and checking fail, the model update/insert ignore it.  
+        """
         
         #self.fields_required[field_model]=field_model.required
         
@@ -436,6 +559,13 @@ class WebModel:
     # Method for make queries
     
     def query(self, str_query, args=[], connection_id='default'):
+        """Method for make typical sql query to db
+        
+        Args:
+            str_query (str): The str query. Use the typical format of sql python drivers, example: select * from my_table WHERE id=%s. 
+            args (list): The arguments to substitute %s characters of the strings. The list must sequential with %s characters in the string.
+            connection_id (str): The connection data used for this connection, by default is "default".
+        """
         
         self.connect_to_db()
         return self.sqlclass.query(str_query, args, connection_id)
@@ -443,6 +573,8 @@ class WebModel:
     # Method for clean fields
     
     def clean_fields(self):
+        """Method for delete fields from self.fields dict"""
+        
         clean=self.fields_to_clean
         for field in self.fields_to_clean:
             del self.fields[field]
@@ -451,6 +583,14 @@ class WebModel:
     # External agent define if the update is in code or from external source, how a form.
     
     def insert(self, dict_values, external_agent=True):
+        """Insert method, for insert a row in database using a dictionary
+        
+        This method is a shortcut for typical sql insert sentence. 
+        
+        Args:
+            dict_values (dict): A dict with the name of the fields how defined in PhangoField for the keys, and values for the values designed for every field. 
+            external_agent (bool): External agent define if the update is in code or from external source, how a form.
+        """
         
         self.clean_fields()
         
@@ -466,7 +606,6 @@ class WebModel:
         
         try:
             
-            #fields, values, update_values=self.check_all_fields(dict_values, external_agent)
             arr_return=self.check_all_fields(dict_values, external_agent)
 
             if arr_return:
@@ -476,11 +615,10 @@ class WebModel:
             else:
                 return False
             
-        except: 
-            self.query_error='Cannot insert the new row'
-            print(sys.exc_info()[0])
-            raise
-            #return False
+        except Exception as e: 
+            self.query_error='Cannot insert the new row '+str(e)
+            #print(sys.exc_info()[0])
+            return False
         
         c=len(values)
         
@@ -509,6 +647,15 @@ class WebModel:
     # Update method. For update one or many rows.
     
     def update(self, dict_values, external_agent=True):
+        """Upate method, for update a row in database using a dictionary
+        
+        This method is a shortcut for typical sql update sentence. 
+        
+        Args:
+            dict_values (dict): A dict with the name of the fields how defined in PhangoField for the keys, and values for the values designed for every field. 
+            external_agent (bool): External agent define if the update is in code or from external source, how a form.
+        """
+        
         
         self.clean_fields()
         
@@ -583,7 +730,7 @@ class WebModel:
         """
 
     def reset_conditions(self):
-
+        """Method for reset self.conditions to default values"""
         self.conditions=["WHERE 1=1", []]
         self.limit=''
     
@@ -591,6 +738,19 @@ class WebModel:
     #Type assoc can be assoc for return dictionaries
     
     def select(self, arr_select=[], raw_query=False):
+        """A method for select fields from a table in db. Support for foreignkeys.
+        
+        This method is a shortcut for typical sql select sentence. You can select multiple tables using ForeignKeyField class.
+        
+        Args:
+            arr_select (dict): A list with the name of the fields how defined in PhangoField.
+            raw_query (bool): If True, if foreignkeyfields exists, are not selected. If False, foreignkeyfields are selected too if foreignkeyfield are in arr_select.
+            
+        Returns: 
+            false (bool): If return false, the db connection is down. 
+            sql_cursor (cursor): Return cursor db for get data using loops or other if operation is successful, if not, return False. 
+            
+        """
         
         self.clean_fields()
         
@@ -706,14 +866,29 @@ class WebModel:
     # Show results in a dictionary
     
     def fetch(self, cursor):
+        """ Simple method for get a row from db using cursor
+        
+        Args:
+            cursor (Db cursor): A typical db cursor of python sql interface standard.
+        
+        Returns:
+            row (dict): Return a dictionary with the row selected. 
+            
+        """
         
         return cursor.fetchone()
     
     def insert_id(self):
+        """Method for get the id from last row inserted in table"""
         
         return self.last_id
     
     def element_exists(self, id):
+        """Check if exist row with id in db
+        
+        Args:
+            id (int): The id of the row to search.
+        """
         
         self.conditions=['WHERE `'+self.name_field_id+'`=%s', [id]]
         
@@ -731,6 +906,15 @@ class WebModel:
         pass
     
     def select_a_row(self, id, fields_selected=[], raw_query=0):
+        """Shortcut for get a simple row from a query 
+        
+        Args:
+            fields_selected (dict): A list with the name of the fields how defined in PhangoField.
+            raw_query (bool): If True, if foreignkeyfields exists, are not selected. If False, foreignkeyfields are selected too if foreignkeyfield are in arr_select.
+        
+        Returns:
+            row (dict): Returns dict with the row values.
+        """
         
         self.conditions=['WHERE `'+self.name+'`.`'+self.name_field_id+'`=%s', [id]]
         
@@ -752,6 +936,15 @@ class WebModel:
         return row
     
     def select_a_row_where(self, fields_selected=[], raw_query=0, begin=0):
+        """Shortcut for get a simple row from a query using self.conditions
+        
+        Args:
+            fields_selected (dict): A list with the name of the fields how defined in PhangoField.
+            raw_query (bool): If True, if foreignkeyfields exists, are not selected. If False, foreignkeyfields are selected too if foreignkeyfield are in arr_select.
+        
+        Returns:
+            row (dict): Returns dict with the row values.
+        """
         
         self.limit="limit "+str(begin)+", 1"
         
@@ -770,6 +963,16 @@ class WebModel:
     
     
     def select_to_array(self, fields_selected=[], raw_query=0):
+        """Shortcut for get a a list of rows from select sql query
+        
+        Args:
+            fields_selected (dict): A list with the name of the fields how defined in PhangoField.
+            raw_query (bool): If True, if foreignkeyfields exists, are not selected. If False, foreignkeyfields are selected too if foreignkeyfield are in arr_select.
+        
+        Returns:
+            row_values (dict): Returns dict with the row values.
+        """
+        
         
         if len(fields_selected)==0:
             fields_selected=list(self.fields.keys())
@@ -810,6 +1013,16 @@ class WebModel:
 
     def select_to_dict(self, fields_selected=[], raw_query=0, integer=True):
         
+        """Shortcut for get a dict of rows from select sql query
+        
+        Args:
+            fields_selected (dict): A list with the name of the fields how defined in PhangoField.
+            raw_query (bool): If True, if foreignkeyfields exists, are not selected. If False, foreignkeyfields are selected too if foreignkeyfield are in arr_select.
+        
+        Returns:
+            row (dict): Returns dict with the row values.
+        """
+        
         if integer:
             def check_index(index):
                 return index
@@ -855,6 +1068,15 @@ class WebModel:
     # A method por count num rows affected for sql conditions
     
     def select_count(self, field_to_count='id', raw_query=True):
+        """Method for get a typical sql count using conditions
+        
+        Args:
+            field_to_count (str): The field 
+            raw_query (bool): If True, if foreignkeyfields exists, are not selected. If False, foreignkeyfields are selected too if foreignkeyfield are in arr_select.
+        
+        Returns:
+            num_elecments (int): Returns the number of elements selected.
+        """
         
         # Connect to db
         
@@ -901,12 +1123,19 @@ class WebModel:
     # A method for delete rows using sql conditions
     
     def delete(self):
+        """Method for delete a series of rows using conditions
+        
+        Returns: 
+            bool (bool): If delete is successfully, return True, if not, return False.
+        """
         
         #self.connect_to_db()
         
         #Need delete rows from other related tables save in self.related_models_deleted
         
-        sql=("delete from `"+self.name+"` "+self.conditions[0]+' '+self.order_by+' '+self.limit).strip()
+        #+' '+self.order_by+' '+self.limit
+        
+        sql=("delete from `"+self.name+"` "+self.conditions[0]).strip()
         
         result=self.query(sql, self.conditions[1], self.connection_id)
         
@@ -923,6 +1152,15 @@ class WebModel:
             return False
     
     def set_conditions(self, sql_text, values:list) -> object:
+        """Method for set conditions for a typical sql query
+        
+        Args:
+            sql_text (str): The sql text with the conditions, Example: WHERE id=%s
+            values (list): A list with values for substitute %s characters for the real values filtered for not allow sql injections. 
+            
+        Returns:
+            Return the same object with self.conditions modified. 
+        """
         
         self.conditions=[sql_text, values]
         
@@ -930,6 +1168,15 @@ class WebModel:
         
     @staticmethod
     def check_in_list(in_list):
+        """Method for convert values to int for use in IN (1,2,3) sql sentences.
+        
+        Args:
+            in_list (list): List with numbers items.
+            
+        Returns:
+            sql_filtered (str): with (1,2,3) sql sentence filtered. 
+        
+        """
         
         for x in range(0, len(in_list)):
             try:
@@ -939,6 +1186,15 @@ class WebModel:
         return '('+', '.join(in_list)+')'
         
     def check_in_list_str(self, field, in_list):
+        """Method for convert values to int for use in IN (value1, value2, value3) sql sentences.
+        
+        Args:
+            field (PhangoField): The PhangoField used for check the values of in_list
+            in_list (list): List with value items.
+            
+        Returns:
+            sql_filtered (str): (value1, value2, value3) sql sentence filtered. 
+        """
         
         for x in range(0, len(in_list)):
             in_list[x]=str(self.fields[field].check(in_list[x]))
@@ -946,6 +1202,15 @@ class WebModel:
         return '("'+'", "'.join(in_list)+'")'
             
     def set_order(self, order:dict) -> object:
+        """ Method for set and complete the query with "order by" sentences.
+        
+        Args:
+            order (dict): A dict with a field name how key, and 0 or 1 how values. 0 define order how ASC, 1 define order how DESC.
+            
+        Returns:
+        
+            Returns the same object for execute a query after set_order declaration.
+        """
         
         arr_order=[]
         arr_order.append('ASC')
@@ -964,6 +1229,15 @@ class WebModel:
         return self
     
     def set_limit(self, limit: tuple) -> None:
+        """ Method for set and complete the query with "limit" sentences.
+        
+        Args:
+            limit (tuple): A tuple with one or two elements. If one element, example (1), the result is "LIMIT first_element", if two elements, example (1,2), the result is "LIMIT first_element, two_element"
+            
+        Returns:
+        
+            Returns the same object for execute a query after set_order declaration.
+        """
         
         limit[0]=int(limit[0])
         
@@ -979,6 +1253,7 @@ class WebModel:
     # Method for create sql tables
     
     def create_table(self):
+        """Method for create a table from this model object"""
         
         #self.connect_to_db()
         
@@ -1089,6 +1364,12 @@ class WebModel:
     # Method for drop sql tables and related
     
     def drop(self):
+        """Method for drop a table based in this model
+        
+        Returns:
+            sql_str (str): Return the sql query for drop the table represented by this model
+        """
+        
         return self.query('DROP TABLE '+self.name, [], self.connection_id)
     
     #Return an array with all fields
@@ -1099,6 +1380,20 @@ class WebModel:
     #Check of all fields in table.
     
     def check_all_fields(self, dict_values, external_agent, yes_update=False, errors_set="insert"):
+        """Method for check all fields of a model for insert or update a row in table db. 
+        
+        Args:
+            dict_values (dict): The dict of values to check
+            external_agent (bool): If True, the query is considered manipulated by external agent and the checks are stricts, if not, checks are not stricts
+            yes_update (bool): If True, the check need be done for update sql sentence, if False, the check is done for insert sql sentence
+            errors_set (str): If insert value, the errors are set for insert sql statement, if update value, then the errors are set for update sql statement.
+            
+        Returns:
+            wrong (bool): Return False if checking is wrong. If not False returns a tuple with fields filtered, original values as values and values filtered how update_values
+            fields (list): list with fields
+            values (dict): dict with values
+            update_values (dict): dict with updated values with checking
+        """
         
         fields=[]
         values=[]
@@ -1227,6 +1522,7 @@ class WebModel:
     #Reset the require field in fields
     
     def reset_require(self):
+        """Reset the require attribute in fields"""
 
         for k, v in self.fields.items():
 
@@ -1237,6 +1533,7 @@ class WebModel:
     #Reload the require field in fields
     
     def reload_require(self):
+        """Reload the require field in fields"""
         
         for k,r in self.fields.items():
             self.fields[k].required=r
@@ -1244,6 +1541,7 @@ class WebModel:
     #Choose all fields to updated
     
     def set_valid_fields(self, fields={}):
+        """Choose all fields to updated"""
         
         if len(fields)==0:
             fields=self.fields.keys()
@@ -1253,6 +1551,7 @@ class WebModel:
     #Create a form based in table.
     
     def create_forms(self, arr_fields=[]):
+        """Create a form based in table."""
         
         self.forms=OrderedDict()
         
@@ -1270,6 +1569,12 @@ class WebModel:
         return arr_fields
             
     def create_form_after(self, form_after, new_form):
+        """Create form after other form
+        
+        Args:
+            form_after (str): The name of the form where the new form is located next
+            new_form (BaseForm): The BaseForm or derivated class used for create the new form. 
+        """
         
         new_dict=OrderedDict()
         
@@ -1281,6 +1586,11 @@ class WebModel:
         self.forms=new_dict
     
     def show_errors(self):
+        """Get all errors of model last operation.
+        
+        Returns:
+            error_txt (str): A string with all errors. 
+        """
         
         arr_error=[]
         error_txt=''
@@ -1301,6 +1611,11 @@ class WebModel:
         return error_txt
         
     def collect_errors(self):
+        """Get all errors and save in dictionary
+        
+        Returns:
+            errors (dict): Return a dict where the key is the field where the error exists and value is the error text.
+        """
         
         arr_error= {}
         error_txt=''
@@ -1318,12 +1633,15 @@ class WebModel:
         return arr_error
 
     def safe_query(self):
+        """Method for reset require for fields.
+        With this method you can make queries without real checks, except mysql injection safe variables."""
         
         self.create_forms()
         self.reset_require()
         
     
     def close(self):
+        """Method for close sqlclass db connection"""
         
         self.sqlclass.close()
         
@@ -1341,6 +1659,7 @@ class WebModel:
             #del sqlclass.connection[key]
     @staticmethod
     def escape_sql(value):
+        """Manual escape for sql, you shouldn't use it"""
         
         value=str(value)
         
@@ -1354,6 +1673,11 @@ class WebModel:
     # Set post values from a post array
     
     def set_post_values(self, post):
+        """Prepare a dict with values using fields keys how base
+        
+        Returns:
+            post (dict): Return a dict with values without checking anything. 
+        """
         
         for k in self.fields.keys():
             
diff --git a/paramecio/index.py b/paramecio/index.py
index f57610a..21eb6b2 100644
--- a/paramecio/index.py
+++ b/paramecio/index.py
@@ -6,7 +6,7 @@ from settings import config
 from mimetypes import guess_type
 from paramecio.cromosoma.webmodel import WebModel
 from paramecio.citoplasma.datetime import set_timezone
-from itsdangerous import JSONWebSignatureSerializer
+#from itsdangerous import JSONWebSignatureSerializer
 from paramecio.citoplasma.keyutils import create_key_encrypt, create_key_encrypt_256, create_key
 from paramecio.wsgiapp import app
 #from paramecio.citoplasma.sessions import after_session
diff --git a/paramecio/modules/admin/index.py b/paramecio/modules/admin/index.py
index 47d1de7..7f1e713 100644
--- a/paramecio/modules/admin/index.py
+++ b/paramecio/modules/admin/index.py
@@ -6,7 +6,7 @@ from paramecio.modules.admin.models.admin import UserAdmin
 from paramecio.citoplasma.i18n import load_lang, I18n
 from paramecio.citoplasma.urls import make_url, add_get_parameters, redirect
 from paramecio.citoplasma.sessions import get_session, generate_session
-from bottle import get,post,response,request
+from bottle import get,post,response,request, Bottle
 from settings import config
 from settings import config_admin
 from paramecio.citoplasma.adminutils import get_menu, get_language, make_admin_url, check_login, login_model
diff --git a/paramecio/settings/config.py.sample b/paramecio/settings/config.py.sample
index bff8026..28d0c61 100644
--- a/paramecio/settings/config.py.sample
+++ b/paramecio/settings/config.py.sample
@@ -38,8 +38,9 @@ theme='default'
 #base_modules="modules"
 
 #Type server used for connect to the internet...
+# With bottle 0.13 is better use gunicorn
 
-server_used="cherrypy"
+server_used="gunicorn"
 
 #Module showed in index
 
@@ -135,11 +136,3 @@ yes_static=True
 #Database mysql config, if you want anything...
 
 #WebModel.connections={'default': {'name': 'default', 'host': 'localhost', 'user': 'root', 'password': '', 'db': 'example', 'charset': 'utf8mb4', 'set_connection': False} }
-
-#Please dont change this line if you don't know what you are doing
-
-for module in modules:
-    module+='.settings.config'
-    module_path=module.replace('.','/')+'.py'
-    if os.path.isfile(module_path):
-        mod=import_module(module)
diff --git a/paramecio/wsgiapp.py b/paramecio/wsgiapp.py
index f037da2..790e7a7 100644
--- a/paramecio/wsgiapp.py
+++ b/paramecio/wsgiapp.py
@@ -1,3 +1,5 @@
+# Principal app
+
 import bottle
 
 app=bottle.app()
diff --git a/setup.py b/setup.py
index 352e1b2..95f1847 100644
--- a/setup.py
+++ b/setup.py
@@ -5,32 +5,32 @@ import os
 from setuptools import setup, find_packages
 
 
-if sys.version_info < (3, 3):
-    raise NotImplementedError("Sorry, you need at least Python 3.3 for use paramecio.")
+if sys.version_info < (3, 8):
+    raise NotImplementedError("Sorry, you need at least Python 3.8 for use paramecio.")
 
 #import paramecio
 # Pillow should be installed after if you need ImageField
 # If you install passlib and bcrypt, the password system will use bcrypt by default, if not, will use native crypt libc 
 
 setup(name='paramecio',
-      version='1.5.0',
+      version='1.6.0',
       description='Simple Web Framework based in bottlepy and Mako.',
       long_description='This framework is a simple framework used for create web apps. Paramecio is modular and fast. By default have a module called admin that can be used for create admin sites',
       author='Antonio de la Rosa Caballero',
-      author_email='antonio.delarosa@coesinfo.com',
-      url='https://github.com/paramecio/parameciofm/',
+      author_email='antonio.delarosa@salirdelhoyo.com',
+      url='https://git.cuchulu.com/paramecio/parameciofm/',
       packages=['paramecio', 'paramecio.i18n', 'paramecio.settings'],
       include_package_data=True,
-      install_requires=['bottle', 'mako', 'pymysql', 'sqlalchemy', 
-'oslo.concurrency', 'itsdangerous', 'colorama','cherrypy', 'arrow'],
+      install_requires=['bottle', 'mako', 'pymysql', 'sqlalchemy', 'oslo.concurrency', 'itsdangerous', 'colorama','cherrypy', 'arrow'],
       entry_points={'console_scripts': [
         'paramecio = paramecio.console:start',
+        'parameciodb = paramecio.cromosoma.dbamin.start'
       ]},
-      license='GPLV3',
+      license='AGPLV3',
       platforms = 'any',
       classifiers=['Development Status :: 1 - Beta',
         'Intended Audience :: Developers',
-        'License :: OSI Approved :: GPLV2 License',
+        'License :: OSI Approved :: AGPLV3 License',
         'Topic :: Internet :: WWW/HTTP :: Dynamic Content :: CGI Tools/Libraries',
         'Topic :: Internet :: WWW/HTTP :: HTTP Servers',
         'Topic :: Internet :: WWW/HTTP :: WSGI',
@@ -38,9 +38,6 @@ setup(name='paramecio',
         'Topic :: Internet :: WWW/HTTP :: WSGI :: Server',
         'Topic :: Software Development :: Libraries :: Application Frameworks',
         'Programming Language :: Python :: 3',
-        'Programming Language :: Python :: 3.3',
-        'Programming Language :: Python :: 3.4',
-        'Programming Language :: Python :: 3.5',
-        'Programming Language :: Python :: 3.6'
+        'Programming Language :: Python :: 3.8'
         ],
      )