Bump version
Formatting change
Remove ActiveRecord, Mongoid deps. Support ActiveSupport 3.1–4.0.
Stop requiring active_record and mongoid.
Only load bridges for available ORM/ODM layers.
Documentation improvements; set deadline for has_many deprecation.
Add MongoMapper, bson_ext
Update Gemfiles for mongo_mapper
Implement MongoMapper tests
Implement MongoMapper support
Bump version to 0.1.0pre

MAJOR FEATURE: MongoMapper Support
Update deprecation warning
Better 0.0.3 changelog
Changelog updates