Minor output correction.
Whitespace, TODOs, cruft removal.
Cleaned up pycurl option-setters in NxsGetter.__init__()
NxsGetter.login() now uses its own cURL handle.
It also handles failed logins correctly now, by raising an exception.
Removed cookiefile options for now. Whitespace, formatting.
close()'d the curl handle in login()
Added TODOs.