Change extensible keys to require explicitly having a type defined for it. Completely modularize more features like bs_kick, entrymsg, log, mode, etc. Move fantasy to its own module. Move greet to its own module.

src/config.cpp

@@ -339,7 +339,7 @@ Conf::Conf() : Block("")
 			if (!c)
 				continue; // Can't happen
 
-			c->Extend("BOTCHANNEL");
+			c->botchannel = true;
 
 			/* Remove all existing modes */
 			ChanUserContainer *cu = c->FindUser(bi);
@@ -377,7 +377,7 @@ Conf::Conf() : Block("")
 			Channel *c = Channel::Find(chname);
 			if (c)
 			{
-				c->Shrink("BOTCHANNEL");
+				c->botchannel = false;
 				bi->Part(c);
 			}
 		}