added support of package whitecube/nova-flexible-content

feature -- ability to use package as field without relations, as example with package whitecube/nova-flexible-content

fix -- update readme.md
fix -- for package laravel-eloquent-query-cache, BelongsTo handler flush cache after save for models where package in used

1.7.1

fix -- compile dist in production mode

1.7.0: Merge pull request #18 from semsphy/17-options-were-loaded

Fixes #17: Not to load options if it is indexRequest.

1.6.1

--dependencies - update package kalnoy/nestedset to ^6.0 version

1.6.0: Merge pull request #14 from haoflynet/master

fix field detail style

1.5.0

feature -- support of defined resource indexQuery

1.4.2

• option ->isActiveFalseValue( $value )
• option ->withFlatten( bool $flatten)
• simple cache - when field used many times on page - query will be called only once per tree model.

1.4.1

fix -- BelongsToHandler support of mute events for old laravel versions

1.4.0

feature -- validation rules

1.3.2

fix -- the order of searching for relation handlers, at first search …