fix another class of 404's
Fix buggy ES6 polyfills

Replace the old ES6 polyfills with properly tested alternatives.

`String.fromCodePoint`: http://mths.be/fromcodepoint
`String.prototype.codePointAt`: http://mths.be/codepointat
Merge pull request #19 from mathiasbynens/fix-polyfills

Fix buggy ES6 polyfills

Thanks to Mathias Bynens for the implementation!
add first PHPUnit tests
fix one include path
configure PHPUnit
update JS and fix JSHint error
re-enable scratchpad
Fix buggy ES6 polyfills

Replace the old ES6 polyfills with properly tested alternatives.

`String.fromCodePoint`: http://mths.be/fromcodepoint
`String.prototype.codePointAt`: http://mths.be/codepointat
fix another class of 404's
Merge pull request #19 from mathiasbynens/fix-polyfills

Fix buggy ES6 polyfills

Thanks to Mathias Bynens for the implementation!
add first PHPUnit tests
fix one include path
configure PHPUnit
update JS and fix JSHint error
re-enable scratchpad
Merge commit 'cd70eb1' into scratchpad