- These now return radians - added macro RAD2DEG(rad) - renamed VecAngle3_2D to Vec2Angle3 since Vec2* is used in arithb.c for 2D vector functions.
- These now return radians - added macro RAD2DEG(rad) - renamed VecAngle3_2D to Vec2Angle3 since Vec2* is used in arithb.c for 2D vector functions.