Use Ruby 2.0.0 and 2.1.1 + Rails 4-1-stable on Travis
Ruby .ruby-gemset and .ruby-version files

People should be able to use whatever gemset and ruby version they like
fixes to accept polymorphic relationship #288
fix for arel
removing extra whitespaces for #288
#where_values_hash now takes an optional arg @merhard
Add compatibility to Ruby 2.0+ with Rails 4.1 and 4.2
- Remove machinist
- Use polyamorous 1.0.0
- Add 4.1 and 4.2 folders under adapters
- Make all specs green from Rails 3.0
- Pend some specs because of unexpected behavior on Rails 4.1 & 4.2
Add compatibility to Ruby 2.0+ with Rails 4.1 and 4.2
- Remove machinist - Use polyamorous 1.0.0
- Add 4.1 and 4.2 folders under adapters
- Make all specs green from Rails 3.0
- Pend some specs because of unexpected behavior on Rails 4.1 & 4.2