Fixed #145: resetDefaultOptions doesn't copy _defaultOptions.observe
Merge pull request #146 from cspotcode/issue145

Fixed #145: resetDefaultOptions doesn't copy _defaultOptions.observe
Update README.md

Added clarification about why the project is not being updated.
Add LICENSE file to repo root
Added support for a "restore" mapping, to complement "create".

When you call fromJS you can specify a create mapping, which is a method for converting from js to the new object.

Now, you can also provide a restore mapping, which is a method that converts from the new object back into js.