Add gemfiles for ar4
Use #to_ary to force model loading if a collection proxy
Change array type forcing approach
Update where we run specs
Remove pry debug
Remove pg lib require
Update contents of local bundle
Check for arel and fix out deprecated scoping methods and usage
Don't use #scoped in spec
Update where we run what
Use `proc` over `->` to prevent syntax errors on old rubies
Remove local test db setup (duh)
Update #count usage to count scope when using arel
Update exclusions matrix
Add tested rails versions to readme
Update files for release v2.0.6