Changed the standard show function to Text.Show.ByteString, and misc.
ByteString related changes in gameServer.
solved
issue #197 and other issues that were caused when copying or creating a new weapon set that was named like an already existing one. this will now be avoided.
Landgun, first pass. At sdw's request.
allows for building hedgewars with SDL-1.3
also reordered other sdl~version dependent macros into a proper cmake module file