Initial implementation of the new event system.

Initial implementation of the new signals and slots class.
Fixed command parsing which compared a pointer to a character.
Buffer overflow fix in routines which used the limits from the entity tasks.
Switched from Sqrat::Object to Sqrat::LightObj in most places to avoid the overhead of the VM pointer.
Various other adjustments and improvements.
The plugin is currently in a broken state and crashes at shutdown. The bug is unknown at this point.

source/SqBase.hpp

@@ -241,6 +241,7 @@ typedef std::basic_string< SQChar > String;
 // ------------------------------------------------------------------------------------------------
 class Core;
 class Logger;
+class Signal;
 
 // ------------------------------------------------------------------------------------------------
 class CmdManager;