* Fix crashes
fix crash with chat filter
fix ldf_config being empty in database on windows debug
* WorldServer: Fix further crashes on windows
address multi threaded signal handling on worldservers
Remove iterator invalidation code in zone manager
* breakout gmlevel enum and make it a class
tested that things still work
slash command,
chat restrictions,
packets and serializations
* fix GM level for some slash commands
* fix new use of this enum
