Update requirements

setup.py

@@ -1,7 +1,7 @@
 from setuptools import setup
 
 setup(name='pytahoe',
-      version='1.0',
+      version='1.0.1',
       description='Python module for working with the Tahoe-LAFS filesystem.',
       long_description='''
 	This module allows for easy interaction with a Tahoe-LAFS grid, via the WebAPI.
@@ -25,5 +25,5 @@ setup(name='pytahoe',
       url='http://cryto.net/pytahoe',
       packages=['pytahoe'],
       provides=['pytahoe'],
-      install_requires=['fs', 'requests']
+      install_requires=['fs', 'requests >= 1.0']
      )