Fixed bug in show_layout_partial not rendering.
Added workflow_for, workflow_item, workflow_change and workflow_transition to workflow API.
Fixed get_any_subject to actually fetch from the DB.
Added class checks to workflow API.
Added core.get_cls_name for class name normalization.
Fixed core.get_cls_name to return fully qualified name.
Fixed bug in workflow_change where the new workflow wasn't being saved.
Added workflow_find to workflow API.