- move SuperFastHash to its own set of files, instead of having this tied to the console.

- replace swapvalues with std::swap globally.
- added some additions to utility code from Raze, mainly to reduce file content differences.
- reduced some unused utilities

src/rendering/swrenderer/line/r_wallsetup.cpp

@@ -65,7 +65,7 @@ namespace swrenderer
 			float t = -tleft.X;
 			tleft.X = -tright.X;
 			tright.X = t;
-			swapvalues(tleft.Y, tright.Y);
+			std::swap(tleft.Y, tright.Y);
 		}
 
 		float fsx1, fsz1, fsx2, fsz2;

src/rendering/swrenderer/scene/r_opaque_pass.cpp

@@ -399,7 +399,7 @@ namespace swrenderer
 			double t = -rx1;
 			rx1 = -rx2;
 			rx2 = t;
-			swapvalues(ry1, ry2);
+			std::swap(ry1, ry2);
 		}
 		
 		auto viewport = Thread->Viewport.get();