Merge pull request #46 from uc-cdis/fix/dep-crypt

Update setup.py

Author: Avantol13

setup.py

@@ -24,7 +24,7 @@ def get_version():
     description="General utilities for Gen3 development",
     license="Apache",
     install_requires=[
-        "cryptography~=2.1",
+        "cryptography==2.8",
         "PyJWT~=1.5",
         "requests~=2.5",
         "cdiserrors~=0.1",