Expanded network protocol, read more

Not really doing much, just busywork with the server's handlers.

I've tweaked the TODO tags as well.

client/entities/base_monster.cpp

@@ -24,7 +24,7 @@
 #include "config_utility.hpp"
 
 void BaseMonster::CorrectSprite() {
-	//TODO: CorrectSprite
+	//TODO: (1) CorrectSprite
 }
 
 std::string BaseMonster::SetHandle(std::string s) {