Parses an angle value in radians or degrees and returns a normalized value in radians
eg: 3.14, 3.14rad, 180deg
Optional
normalize between -Pi - Pi instead of 0 - 2*Pi
normalize between -Pi/2 - Pi/2 instead of -Pi - Pi
PSVError when the angle cannot be parsed
Parses an angle value in radians or degrees and returns a normalized value in radians