Merge pull request #11 from markhellewell/master

made comment make sense
Use requests instead of urllib2 cos it's more hipster plus get_pypi_url function
Merge pull request #12 from sesh/use_requests_take_two

HIPSTERZ
Slightly hacky fix to #13
superficial reorg of imports

Signed-off-by: mark hellewell <mark.hellewell@icloud.com>