add proxy capability

[drewrothstein]

This adds proxy capability to the connection logic. It is backwards compatible. It works with proxies that require authentication and ones that do not.

Attempted running tox but there were endless PEP8 errors that are unrelated to this change.

Local testing:

$ python setup.py install
>>> from dyn.tm.session import DynectSession
>>> s = DynectSession('company', 'user', 'pass', history=True)
>>> s.history
[('2016-03-18T00:05:37.941333', '/REST/Session/', 'POST', {'password': '*****', 'user_name': 'user', 'customer_name': 'company'}, u'success')]
>>> s = DynectSession.new_session('company', 'user', 'pass', history=True, proxy_host='localhost', proxy_port=8888)
>>> s.history
[('2016-03-18T00:06:30.882102', '/REST/Session/', 'POST', {'password': '*****', 'user_name': 'user', 'customer_name': 'customer'}, u'success')]
>>> s = DynectSession.new_session('company', 'user', 'pass', history=True, proxy_host='localhost', proxy_port=8888, proxy_user='user', proxy_pass='pass')
>>> s.history
[('2016-03-18T00:07:44.728913', '/REST/Session/', 'POST', {'password': '*****', 'user_name': 'user', 'customer_name': 'company'}, u'success')]

[whisk3y]

Hi Drew, looks good thanks for the commit!

[drewrothstein]

Any chance of cutting a release? Looks like the last release was in 2014. :)

[whisk3y]

Hi Drew, there have actually been several releases in pip but they haven't been tagged on the repo. We plan on doing a release on Monday 3/21 and tagging the repo as well as updating pip. This release will be 1.6.3 and will include the proxy change and a new helper function to replace one or all rulesets on a TD.

[drewrothstein]

Ah, most excellent, thanks!