Fix #10: Empty queries w/relationships shouldn't hang
Merge pull request #11 from brianloveswords/10-relationship-problems

Fix #10: Empty queries w/relationships shouldn't hang
0.4.5
Slightly better raw sql handling. [fixes #8]
Better error messaging for malformed queries.
Support promise style.
Update docs with promise notes.
0.5.0
Remove unnecessary `bind`
Use `callbackResolver` in `get`.
Use nextTickCallback
Rename `nextTickCallback` -> `deferCallback`

Also, use `setImmediate` instead of `process.nextTick`.
0.5.1