Added toJSON() method to collection and model, tests.
Merge pull request #10 from jmfee-usgs/serialization

Added toJSON() method to collection and model, tests.
Added test to reproduce issue #8
Added random integer to callback name for uniqueness
Changed getCallbackName to use sequence instead of random number
Merge pull request #11 from jmfee-usgs/xhr-jsonp-collision

Xhr jsonp collision
0.0.5
Added 0.0.5 to README notes, updated bower.json version