Merge pull request cedadev#11 from cedadev/devel

Fix to ndg.httpsclient.utils.open_url utility function

Merge pull request cedadev#9 from cedadev/devel

0.4.1 release

Merge pull request cedadev#2 from cedadev/py3-devel

Py3 devel

Preparing 0.3.3 release.