v0.0.21-alpha

Micro-framework
- Fix table width
- Add actions to table
- Available load model and controller from subdirectory
- Common files extension
- Fix return path in storage
- Fix logger api
- Confirm optimization
- Optimize save, insert and update
- File upload
- Download file from common file
- Add JS loader to view
- Change example view
- Add checkboxes to table
- Add ajax protector (@Ajax true)
- Twig function to download common file
- Common file, count download
- Database optimization