Made a slight refactor to make multi-selector usable for jQuery 1.7.x
Object added event wasn't being fired for existing contacts added to the defaultSelection
Made it possible to have more than one multi-selector on the same page
 Added support for expressions, with overridable regex
 Suppress comma submission when an expression is in the input
 Do not add showAll to results twice
 Support preloading of expressions
 Override tokenfield swallowing of comma to allow it in expressions
 Allow commas in expressions
Merge branch 'master' into expression-support-pullrequest

Conflicts:
	index.html
	js/demo.js
	js/multiselector.js
	js/test.js
expression-support-pullrequest use callObjectAdded helper to avoid calling when null