0.5.0

• [BC breaks] Updated: use Geocoder 3.x / @morrislaptop
• Added: Polygon class / @gabrielbull
• Added: Bounding box class / @gabrielbull
• Fixed: division by zero in vincenty algorithm / @tix
• [BC breaks] Dropped: PHP 5.3 and stub to JsonSerializable
• [BC breaks] Updated: switch from async to promise / @morrislaptop
• Updated: documentation / @caseyw @brandonsavage @BreiteSeite @GrahamCampbell
• Added: code of conduct

NOTE: If you still use Geocoder 2.x and/or PHP 5.3 please use the Geotools 0.4!