v0.2.1 -> April 3, 2017
-------------------------
- [Fix] Mailchimp tab not showing with registration form
- [Fix] Mailchimp submenu not showing in admin panel

v0.2 -> December 20, 2016
-------------------------
- [Fix] Undefined variable error messages
- [Fix] Unnecessary activation and deactivation hooks are removed
- [Tweak] Warnings and notices are more precise and meaningful

v0.1
--------
- Initial Release