fire change event when radio changes
Added change event trigger to setValue(), check() and uncheck()
Force value to be string in setValue

If you pass in an integer (possibly other types), the setValue does not work.
Merge pull request #53 from postalservice14/patch-1

Force value to be string in setValue
Merge pull request #52 from shadypierre/master

Added change event trigger to setValue(), check() and uncheck()
Merge pull request #43 from robocoder/wait-patch

wait() bug
Merge pull request #38 from douggreen/radio-change

fire change event when radio changes
Merge remote-tracking branch 'behat/master' into develop