Several improvements and bug fixes
- Added support for '.' in property names.
- Added support for specifying propertyPath as array.
- Improved and documented support for array indices in propertyPath (fixes #10).
- Don't extend global lodash in Node environments (fixes #7).
- Added contributors section to README. Thanks @yoshokatana for all your help (#10, #11, #12)!
Update README.md

Fixed propertyPath links.
Update README.md

Added  @andrewluetgers to contributors list.
Bump version number