Begin pulling shit out of Postgres adapter for SQLite
Pulled out statement methods into base SQL adapter, implement in SQLite adapter
SQLite tests, get setup, fixture create/destroy working
Implemented update, dropped in the shared adapter tests
Get tests passing, fix `count`
Added SQLite to package.json and README
Added in-mem and fs adapters to README
Added SQLite install to Travis
Stupid comma-last
Pull out eager association tests into mixin
Get eager-fetch association tests working in SQLite