support entity inheritance
add tests
fix missing brakets
remove tabs
Code doc and minor optimizations for Meta\Entity
Code doc and minor optimizations for EntityManager
Code doc and minor optimizations for Repository
Code doc and minor optimizations for meta-classes
Code doc and minor optimizations for Proxy classes
Code doc and minor optimizations for PathFinder classes
Code doc and minor optimizations for Meta classes
Code doc and minor optimizations for Query\Cypher
Small refactoring for the queries
Some better testing for events
Fixed access error in PHP 5.3.X
Fixed access error in PHP 5.3.X (pt 2)
 Tested some edge-cases in Repository and deprecated Repository::getRepository($class)
Merge remote-tracking branch 'mmeloni/entity-inheritance'
Merging frne/code-documentation-and-optimization