GCNodeParser cleanup
removed old parser targets/schemes
tags.json families/repositories plurals
GCContext: KVC
Age/Date parsers: removed cache, it wasn't speeding anything up and in some cases the lookups were actually slowing things down
GCContext/GCEntity: use internal _addEntity method to avoid calling mutableEntities all the time
docs
GCNode/GCNodeParser: internal _addSubNode method
GCContext: Basic transactions