Merge pull request #20 from rcallahan/master

Various scihub fixes.
fix syntax error in modules/scihub.py
fix an AttributeError (be less redundant)

AttributeError: 'str' object has no attribute 'text', file
modules/scihub.py line 41 (in _go).
fix typo (pheny -> phenny)
Merge remote-tracking branch 'rcallahan/master'

Conflicts:
	modules/scihub.py

Fix the cookie variable name between the two versions.

fixes #21