Adds 'required' option to hasOne associations
Stop mysql auto-inserting 0 into owner_id field
Make required false by default
Reflect default hasOne required value change.
Merge pull request #82 from locomote/optional-has-one

Adds 'required' option to hasOne associations
Reindents package.json, adds hat as new dependency for driver uid generation (#86)
Generates an uid for every driver instance (#86)
Changes singleton uid creation to use driver uid (#86)
Changes db.load to avoid lint errors on condition assignment
Changes Readme orm.express example and adds a note about multiple connections
Changes Model.drop and Model.sync to be resistive to no callback
Changes ORM.sync() to also be resistant to no callback
Fixes Readme Express example
2.0.6
Fixed SQLite driver writing to console when it should not
Merge pull request #91 from nijansen/master

SQLite driver logs to console when it should not
Adds fury.io npm package version badge
Moves Model.find() limit to options, adds test for it (#93)

It's still available has it was, the move is internal
Changes Express middleware to wait for connections (errored or not) before processing requests (#92)
Avoids loosing previously set limit (if set) on Model.fin() (#93)