Version 3.1.0 - adds to property def

Update readme

Merge pull request dresende#700 from li-qiang/master

Fix bug for windows path

DRY up code & convert spaces to tabs

Fix noisy mysql debug output. Closes dresende#642

Add 'instance.saveAssociationsByDefault' option & bump sql-query

Bump version

Merge pull request dresende#620 from dresende/join

Bump sql-query version

Update doco & bump version