Added toParam() for use with e.g. node-postgres' parameterized queries
Don't double _formatValue params

Conflicts:
	docs/squel.html
	squel.min.js
Fix return

Conflicts:
	squel.min.js
Double format is fixed with usingPlaceholders
Updated Changelog and version
Merge branch 'master' into parameterized

Conflicts:
	docs/squel.html
	squel.js
	squel.min.js
Minor cleanup
Rebuilt