Add versions for http_functions, whenever script is updated a new version is logged.

templates/dashboard/http_functions/edit.html

@@ -8,6 +8,6 @@ refresh_url=url_for('get_http_function_edit_form', function_id=function_id), sho
 
 {{ render_partial('function_editor.html', function_id=function_id, name=name, script=script,
 environment_info=environment_info,
-is_public=is_public, log_request=log_request, log_response=log_response, is_edit=True) }}
+is_public=is_public, log_request=log_request, log_response=log_response, version_number=version_number, is_edit=True) }}
 
 {% endblock %}