Core improvements. Allow to access field attributes directly from an assignment
New helper method
Merge branch '2.3/develop' of github.com:pyrocms/pyrocms into 2.3/develop
Merge branch '2.3/develop' of github.com:pyrocms/pyrocms into 3.0/develop

Conflicts:
	system/cms/modules/streams_core/views/entries/form.php
	system/cms/modules/streams_core/views/fields/table_assignments.php