Added check for bad initialization for Line9 and Circle9 in TP
Small fix to prevent div by zero
Cleanup and added check for ABCUVW motion in tangent function
Optimizations for blend arc creation, initial draft
Completed optimization on blend arc creation
Reorganized blend arc functions and cleaned up headers
Fixed center distance calculation for blend arc
Added lazy optimization option
Added split-cycle check to parabolic blends to eliminate acceleration dip
New movement output
Added debug output
Fixed parabolic velocity comparison using law of cosines