Fix checkables checked state by model, fixed for label attribute.

Add disable and enable fields functionality and fix collection type m…

…odel binding.

Rename `default_value` to `value` and use `default_value` as fallback…

… value, add form composition, add trait, some fixes.

Fix collection of type form not rendering when there is no data passe…

…d to collection.

Add entity field type.

Use manual model binding, rename command, add addBefore and addAfter,…

… closures for default values.

Add `help_block` option for fields, fix repeated type closing, defaul…

…t_value for child forms, validation errors.

Add ability to exclude fields from rendering.

Use old input in collection type, add form_until method and static ty…

…pe field.

Fix id and name collision.