v6.4.0

Enhancement

• Add support for [email protected] (@cmfcmf in #273)

Fixes

• Upgrade jest to fix travis error (@supasate)
• [TypeScript] add isFirstRendering property to RouterState interface (@TetsuyaNegishi in #276)
• Fix code format (@siosio34 in #289)
• Move prop-types from peerDependencies into dependencies (@cmfcmf in #281)

Documentation

• Note on removing BrowserRouter and NativeRouter (@AJamesPhillips in #277)