Add in the changes from Backbone 1.1.2
Rename it back History for easier diffing with Backbone

Also create `any` function to make code as similar to original Backbone code as possible
Update tests to the Backbone 1.1.2 tests
Update the README with the right versions of Backbone
Release 2.0.0
Merge pull request #3 from KidkArolis/release-2.0.0

Release 2.0.0