Test path of InvalidConfigurationException
Add var type
Add Unit Test testEmptyConnectionType
Add Unit Test testEmptyPersistence
Add Unit Test testEmptyConfiguration
Defined & Use NotSupportedNodeException
Fix error : $this instead of $connection
Create ORM schema
Clean class
Fix bug : use construct instead of constructor keyword
Add Test Unit on model
connectAt & disconnectedAt can be null
Add help for constructor
Add test : testUpdate, testDestroy, testGetConnectionsWithSource, testGetConnectionsWithSourceNotContains, testGetConnectionsWithDestination, testGetConnectionsWithDestinationNotContains
Add ArrayRepository with Test Unit
Use array instead of ArrayCollection
Use constant
Add Unit Test
Add TODO