CharacterData implements the data and length attributes, remove the length() function, update tests, fixes #6
Use the internal field directly
Fix missing ; and improve readability
Add assertions for .data === .nodeValue
Remove the mutation record test, this is already done in MutationObserver.tests.js
Merge pull request #9 from devatwork/fix-dom-interface-for-characterdata

CharacterData implements the data and length attributes, remove the length() function, update tests, fixes #6
Do not copy user data in cloneNode. Fixes #8