diff --git a/paramecio/citoplasma/httputils.py b/paramecio/citoplasma/httputils.py
index ed3ee43..3990186 100644
--- a/paramecio/citoplasma/httputils.py
+++ b/paramecio/citoplasma/httputils.py
@@ -99,6 +99,8 @@ class GetPostFiles:
                     
                     del s['csrf_token']
                     
+                    s.save()
+                    
 
             else:
                 raise NameError('Error: you don\'t send any valid csrf_token')
diff --git a/paramecio/citoplasma/mtemplates.py b/paramecio/citoplasma/mtemplates.py
index 56785c0..dba4e24 100644
--- a/paramecio/citoplasma/mtemplates.py
+++ b/paramecio/citoplasma/mtemplates.py
@@ -61,7 +61,7 @@ def env_theme(module, cache_enabled=True, cache_impl='', cache_args={}, module_d
     
     #Standard templates
     #print(standard_templates)
-    return TemplateLookup(directories=search_folders, default_filters=['h'], input_encoding='utf-8', encoding_errors='replace', cache_enabled=cache_enabled, cache_impl=cache_impl, cache_args=cache_args, module_directory=module_directory)
+    return TemplateLookup(directories=search_folders, default_filters=['h'], input_encoding='utf-8', encoding_errors='replace', cache_enabled=cache_enabled, cache_impl=cache_impl, cache_args=cache_args, module_directory=module_directory, filesystem_checks=config.debug)
     
 def preload_templates(template_files, env):
     
diff --git a/paramecio/cromosoma/formsutils.py b/paramecio/cromosoma/formsutils.py
index d21bd60..c650b5a 100644
--- a/paramecio/cromosoma/formsutils.py
+++ b/paramecio/cromosoma/formsutils.py
@@ -61,16 +61,16 @@ class CheckForm():
 
 def show_form(post, arr_form, t, yes_error=True, pass_values=True, modelform_tpl='forms/modelform.phtml'):
         
-        # Create csrf_token in session
-        
-        s=get_session()
-        
-        s['csrf_token']=create_key_encrypt()
-        
-        if pass_values==True:
-            pass_values_to_form(post, arr_form, yes_error)
-        
-        return t.render_template(modelform_tpl, forms=arr_form)
+    # Create csrf_token in session
+    
+    s=get_session()
+    
+    s['csrf_token']=create_key_encrypt()
+    
+    if pass_values==True:
+        pass_values_to_form(post, arr_form, yes_error)
+    
+    return t.load_template(modelform_tpl, forms=arr_form)
 
 #Simple Function for add repeat_password form to user model
 
@@ -92,13 +92,23 @@ def set_extra_forms_user(user_admin):
 def ini_fields(fields):
     pass
 
-def csrf_token():
+def csrf_token(token_id='csrf_token'):
+    
+    s=get_session()
+    
+    if not 'csrf_token' in s:    
+        s['csrf_token']=create_key_encrypt()
+        s.save()
+    
+    return '<input type="hidden" name="csrf_token" class="csrf_token" id="'+token_id+'" value="'+s['csrf_token']+'" />'
+    
+def generate_csrf():
     
     s=get_session()
     s['csrf_token']=create_key_encrypt()
     s.save()
-    
-    return '<input type="hidden" name="csrf_token" id="csrf_token" value="'+s['csrf_token']+'" />'
+
+    return s['csrf_token']
 
 def request_type():
     
diff --git a/paramecio/cromosoma/webmodel.py b/paramecio/cromosoma/webmodel.py
index a818bcb..892d33c 100644
--- a/paramecio/cromosoma/webmodel.py
+++ b/paramecio/cromosoma/webmodel.py
@@ -351,7 +351,7 @@ class WebModel:
         
         self.fields[field_model.name].model=self
         
-        #self.fields[field_model.name].required=required
+        self.fields[field_model.name].required=required
         
         self.fields[field_model.name].post_register()
         
@@ -1120,6 +1120,23 @@ class WebModel:
         error_txt="\n".join(arr_error)
 
         return error_txt
+        
+    def collect_errors(self):
+        
+        arr_error= {}
+        error_txt=''
+        
+        for field_error, k_error in self.fields_errors.items():
+            
+            for error in k_error:
+                arr_error[field_error]=error
+        """
+        for type_error in self.errors.values():
+            for error in type_error:
+                arr_error[field_error]=error
+        """
+        
+        return arr_error
     
     def close(self):