Rewritten most of the code for multithreading; still not 100%, but getting there. If this commit proves to be too problematic, we can always undo it.

git-svn-id: http://mc-server.googlecode.com/svn/trunk@251 0a769ca7-a7f5-676a-18bf-c427514a06d6

source/packets/cPacket_Metadata.h

@@ -13,6 +13,7 @@ class cPacket_Metadata : public cPacket
 public:
 	cPacket_Metadata(int s, int id);
 	cPacket_Metadata();
+	cPacket_Metadata(const cPacket_Metadata & a_Other);
 	~cPacket_Metadata();
 
 	virtual void Serialize(AString & a_Data) const override;