added code to handle polymorphic relations
merged changes to add polymorphic relations
merged master
removed stray files that resulted from botched merge
added polymorphic target relations and connections
added support model polymorphic relations
added test for polymorphic relations. some tests pending.
fixed loading of polymorphic relation when no relation is actually set to stop query without class attributes
cleaning up whitespace in tests for readablilty
fixed bindings for has_many inverse relations. previously inverse metadata was not returned correctly
not saving when assigning attribute on the inverse
including lifecycle on many relation
using binding lifecycle to skip the inverse relation from trying to persist the relation
removed redundant methods and conditions
merged master
Merge pull request #25 from sportngin/add_polymorphic_relations

Add polymorphic relations