Prevent encoding problems while reassembling packets

Thanks to @montymintypie

Fixes koraktor/steam-condenser#192
Improve detection of RCON bans

Thanks to @CEikermann

Fixes koraktor/steam-condenser#190
Do not override getMessage() in WebApiException

Thanks to @Yeggstry

Fixes koraktor/steam-condenser#193
Version bump to 1.3.2
Merge branch '1.3-stable'
Fixed auto-retry for master server queries

Fixes koraktor/steam-condenser#196
Remove remains of old master server functionality
Added support for the optional game ID in server info

Although this is (almost?) always equal to the application ID it
might be useful in the future.
Simplified server info packets
Use the Web API to get SteamID friends
Improved error handling for XML data
Further simplified server info packets
Version bump to 1.3.3
Merge branch '1.3-stable'
Merge branch 'master' into user_stats_api