Version increment to 0.1.6

Merge pull request #26 from dashersw/master

Add a new __getPath property for fetching the path of a proxy

Version increment to 0.1.4

Version increment 0.1.3

Indentation fix, pass lint check.

Bug fix for overwritten object clean-up.

* It's possible for a parent object to have multiple different
references to the same object. If an object gets overwritten, we want to
stop watching it but *only* if there are no other references to that
object under the parent object and all nested objects.

Version increment to 0.1.0

Version increment to 0.0.9

Updating README examples with revised currentPath.

Remove try finally to restore performance.