v6.1.0

• Note: several breaking changes were added on this release.
• Drop isRole and canMagic methods.
• Fix grant, revoke, sync methods to match Laravel's attach, detach, sync method signature.
• Refactor all interactions with permission to its own trait.
• Added a lot of TESTS...
• Fix refreshing of cache and updating policies registration.
• Update resource pattern from action.slug to slug-action. Ex. posts.create will now become create-posts.
• Allow comma separated role middleware.
• Remove @hasRole redundant directive. Use @role.