Implemented trading tab.

Added hitscan parrying (not that it's very useful).
Various fixes to some timing stuff.
Added "F to pay respects" when in death screen.
Added money cheat, figure out the key combination yourself.
Changed score interpolator so it goes faster with huge score gains.

modeldef.misc

@@ -0,0 +1,14 @@
+Model "ReflectedBullet"
+{
+	Path "models"
+
+	Model 0 "Boolet_d.3d"
+	Skin 0 "Boolet.png"
+	Scale 0.003 0.003 0.003
+	USEACTORPITCH
+	USEACTORROLL
+	AngleOffset -90
+	ZOffset 1
+
+	FrameIndex XZW1 A 0 0
+}