Preparing for release, 0.4.3.
Preparing for release, 0.4.3.

Yakrware/mongoid-history,dblock/mongoid-history,stephenhmarsh/mongoid-history,aq1018/mongoid-history,mongoid/mongoid-history,mateuspontes/mongoid-history,sivagollapalli/mongoid-history,getaroom/mongoid-history