Modify package meta data in setup.py

I fixed ImportError when package install. 

Traceback (most recent call last):
  File "setup.py", line 7, in <module>
    from hog import VERSION, PROJECT
  File "~/hog/hog/__init__.py", line 13, in <module>
    **from .hog import run**                                                 
  File "~/hog/hog/hog.py", line 20, in <module>
    import requests
ImportError: No module named requests