Different examples for fields:

* For a blog system:

	- user_id field: user_id:select,'id' => 'mySelect', 'class' => 'red':['admin' => 'admin','user' => 'user', 'paco' => 'paco']:user
	- title field: title:text,'size' => 255
    - body field: body:textarea,'placeholder' => 'Body content'

* For roles:

	- name:text,'size' => 255  *
	- slug:text,'size' => 255  *
	- description:textarea,'placeholder' => 'Add description'
	- level:hidden,'id'=> 'level'  *