Implemented delete
Move and remove
Batch search indexing
Copy support
Check referential integrity when deleting node
Refactored local indexing
Working on deindexing

TODO:

- Traverse the nodes subtree when deleting (not just a filesystem
  recursive delete)
- Remove indexes pertaining to delete nodes
- Create NodeDeleter class

- Create a wrapper for the Jackalope node structure (Model\Node)
- Have methods such as ->getUuid(), ->getIntrenalUuuid, getReferences
  etc.
Refactored to use native Node objects
Updated travis
Working on indexes

TODO: Need to implement two way indexes for referring properties

- Need to be able to remove referrers from the referrer list for a
  specified node ID (the other option would be traversing each file)
Added array filesystem adapter
Deindexing
Remove references from index
Fixed delete node with path reference
Properly handle multivalue props
Dynamic rebinding OK
Fixed node / property Jackalope precedence
Fuck
Fixed base64 encoding for tests
Fixed native unit tests