Beta version #3

All modules are almost set up for a stable version. This version includes the following changes:

- CSS adjustments
- Fixed some bugs on enable a single form field and data type
- Improvement on design for dashboard
- A completely new and clean HTML components feature
- New html component and helper function: image
- Added a basic validation for forms when form doesn't exist or fields don't exist or record doesn't exist
- Adjustments on settings page design
- Fixed some bug on module menus: when some menu was updated with no values for label or image then was impossible to update it again