CTD functions for CTDMO and CTDPF
Commented out writes to stderr; used numpy testing routines
Merge pull request #85 from desiderr/ctdwork

CIDEVMI-1001 CTD functions for CTDMO and CTDPF
added num exprs for OPTPARW (biospherical and satlantic to opt module)
added PAR unit tests to test_opt_functions.py
Merge pull request #87 from crisien/opt

CIDEVMI-1025 Added PARAD Classes