Work in progress client for BHR site.

See http://bhr-client.readthedocs.org/en/latest/ for full docs

$ export BHR_TOKEN=abc91639287637189236193671983619783619c4
$ export BHR_HOST=http://localhost:8000
$ python
>>> from bhr_client.rest import login_from_env
>>> c = login_from_env()
>>> c.stats()
{u'current': 3650, u'expected': 3606, u'block_pending': 1, u'unblock_pending': 45}
>>> c.query("192.168.254.254")
[]
>>> c.block(cidr='192.168.254.254', source='readme', why='because!', duration=300)
{u'added': u'2014-11-14T15:30:24.785Z',
 u'cidr': u'192.168.254.254/32',
 u'set_blocked': u'http://localhost:8000/bhr/api/blocks/359147/set_blocked/',
 u'skip_whitelist': False,
 u'source': u'readme',
 u'unblock_at': u'2014-11-14T15:35:24.784Z',
 u'url': u'http://localhost:8000/bhr/api/blocks/359147/',
 u'who': u'admin',
 u'why': u'because!'}
>>> c.query("192.168.254.254")
[{u'added': u'2014-11-14T15:30:24.785Z',
  u'cidr': u'192.168.254.254/32',
  u'set_blocked': u'http://localhost:8000/bhr/api/blocks/359147/set_blocked/',
  u'skip_whitelist': False,
  u'source': u'readme',
  u'unblock_at': u'2014-11-14T15:35:24.784Z',
  u'url': u'http://localhost:8000/bhr/api/blocks/359147/',
  u'who': u'admin',
  u'why': u'because!'}]