Added query encoding and decoding function
Moved query functions into util.strings
Improved code for decoding URLs, added handling of + (plus)
Improved test coverage of toQuery and fromQuery functions
Fixed to handle more than one +
Merge pull request #134 from jonahbron/master

Added query encoding and decoding function
Merge remote-tracking branch 'remotes/_contrib/master'

Conflicts:
	underscore.util.strings.js
241.4.3