testling@1.7.0
Add LICENSE
Allow either a string or object for opts

If string, set this.opts.loadingText to string
Add proxy function
Add Button.val()

Returns the elements value attribute if input, otherwise returns
innerHTML
Fix Button.isInput()
Make Button.setState actually work
Add Button.toggle()
Add Button.loading() and Button.reset()
Add tests

Since we use bind, we have to shim it for testling
Add testling config to package.json
Add README
Add note about bootstrap
Add test script
Add testling badge to README