Add: Built-in bind method to wrapper
Add: Built-in bind method to wrapper

If a native implementation of Function.prototype.bind exists in the
environment it is used instead of the custom wrapper.

Signed-off-by: Kevin Conway <3473c1f185ca03eadc40ad288d84425b54fd7d57@gmail.com>

kevinconway/Defer.js,kevinconway/Defer.js