- Fixed README URLs to use HTTPS schemes where possible.
- Added IRB development console Rake task support.
- Added Rubocop Style/StringLiteralsInInterpolation cop.
- Added version release changes.
- Updated gem dependencies.
- Updated to Ruby 2.2.4.
- Updated to Ruby 2.3.0.
- Removed RSpec default monkey patching behavior.
- Removed Ruby 2.1.x and 2.2.x support.
- Refactored Rake tasks to standard location.