ignore sqlite files
add testing of sqlite, mysql, and postgres all together
update changelog and readme as well as making it so the schema doesn't load all the tables into all three dbs
add steps for creating a pg db for testing and re-work the documentation for interacting with AAA models
clarify some text in the readme
switch example code order slightly
move options section into example code and make the help wanted section more inviting
remove a bunch of crap about rails 2 and rails 3.0x
small improvement to README
activerecord 4.1.0 and minitest instead of test/unit
update readme
version bump