v0.2.0

Added

• Automatically use the version number from the VERSION file in the gemspec (#32)
• Add a code of conduct (#25)

Changed

• Mark all Ruby files as frozen_string_literal: true (#31)

Deprecated

• Support for Rails < 5.0.0 will be removed in version 2.0.0.
• Support for Rails < 4.2.0 will be removed in version 1.0.0.
• Support for Ruby < 2.2.2 will be removed in version 2.0.0.
• Support for Ruby < 2.0.0 will be removed in version 1.0.0.

Removed

• Remove pre-Rails-4.0-specific code (#38)
• Drop Jeweler (#28)

Fixed

• Add ActionView as explicit dependency (#34)
• Fix the check for only one active selection in the specs (#27)
• Use ISO codes as select values, not the IDs (#24)
• Fix the the Gemfile (#19)
• Fix the order of name attribute and ID in the specs (#18)