massive changes to batching a bunch of bug fixes.  needs documentation update then we'll release 0.5.0
interim commit; adding shiz for change handlers
fixing build?
- downgraded minimum angular to 1.0.8
- added ngDocs
- chainable Watch objects
- mostly updating docs
- adding a bit of extra information injected into change/undo/redo/etc handlers
adding overview
updating links to docs in readme
Merge pull request #16 from boneskull/master

changes for 0.5.0