Add #scoped for AR 3.x parity
Don't attempt to create a connection when inheriting classes if one does not already exist. Closes #460.
mock is deprecated, use double instead
Add coveralls and simplecov support
Improve coverage via new specs and tagging non-coverable areas with :nocov:
Update README with doc links and coverage badge
Fix for unsorted hashes causing spec failures on 1.8
Add JRuby to travis