Wright Omega function improved

Significant update to wrightOmegaq(). Better speed, real single precision support, better handling of inputs along lines of discontinuity (Z = X+/-pi*1i, X<=-1), better memory usage, some minor fixes.

Signed-off-by: Andrew D. Horchler <adh9@case.edu>
Minor fix for Neighborhood function.

Forgot to update variable in one place.

Signed-off-by: Andrew D. Horchler <adh9@case.edu>