Upgrade pyop dependency.

Fixes bug in userinfo endpoint where the access token was not discovered
properly.

Author: Rebecka Gulliksson

setup.py

@@ -16,7 +16,7 @@
     package_dir={'': 'src'},
     install_requires=[
         "oic>=0.8.4.0",
-        "pyop==1.0.0",
+        "pyop>=1.0.1",
         "pyjwkest==1.1.5",
         "pysaml2==4.0.3",
         "requests",