Resolve GitHub Issue #29 (don't process keys added by Angular)

Signed-off-by: Dan Hunsaker <danhunsaker@gmail.com>
README Updates (see GitHub issues #26 and #3)

Signed-off-by: Dan Hunsaker <danhunsaker@gmail.com>
Fix typo (see GitHub issue #31)

Signed-off-by: Dan Hunsaker <danhunsaker@gmail.com>