[Cleanup] Quest API push methods using invalid types. (#2172)

* [Cleanup] Quest API push methods using invalid types.
- Some push methods were pushing integers as unsigned integers or unsigned integer as integers, this fixes all of that.
- Also cleans up some lines that had multiple function calls on them.

* More cleanup of bools and one expansion name was wrong.

zone/perl_npc.cpp

@@ -1282,7 +1282,7 @@ XS(XS_NPC_GetNPCStat) {
 
 		RETVAL = THIS->GetNPCStat(identifier);
 		XSprePUSH;
-		PUSHn((double)RETVAL);
+		PUSHn((double) RETVAL);
 	}
 	XSRETURN(1);
 }
@@ -1496,7 +1496,7 @@ XS(XS_NPC_GetScore) {
 		VALIDATE_THIS_IS_NPC;
 		RETVAL = THIS->GetScore();
 		XSprePUSH;
-		PUSHi((UV) RETVAL);
+		PUSHi((IV) RETVAL);
 	}
 	XSRETURN(1);
 }