Changed non-coloured (black) pixels to -1 in the map rather than 0, colourizers now scale colour from 0 through max rather than 1 through same.

!WARNING - Program can consume all RAM on your machine if the --dp_real and --dp_imag are set above 10 or so (11 = 8GB RAM/Swap and program crash). To avoid use the new option:
Added --skip_orbit option to command line