image,s,q,,,,Image file descriptor
threshold,i,h,4,,,Squibby brightness threshold 
verbose,b,h,no,,,Print out in verbose mode?
xguess,i,h,1024,,,X coordinate of center of guess circle
yguess,i,h,1024,,,Y coordinate of center of guess circle
halfwidth,i,h,50,,,Halfwidth of limbfinding window
rowspace,i,h,20,,,# of rows to skip near center in limbfind
rejectcoeff,r,h,.02,,,Least squares rejection coefficient