Release 0.15.0 !

• Write overflow and server-lock-up protection
  (related to #67)

• Sequenced Message Channels thanks to @cBournhonesque !
  (from #112 and myself)

• FAQ thanks to @cBournhonesque
  (#114)

• Unit and Tuple Replicate Components / Messages thanks to @cBournhonesque
  (#115 & #117)

• New Server.broadcast_message() function thanks to @cBournhonesque
  (#126)

• New UserScope.reset() functions, thanks to @cBournhonesque
  (#127 and myself) (#122)

• Non-blocking packet sending in naia_client_socket, thanks to @mvlabat !
  (#116)

• Fix #94

• Fix #123

• More helpful error messages for #131

• More helpful error messages for #128

• Multiple dependency versions updated