Sem-Ver: bugfix upgrade cryptography from using a version >= 2.7.0 < 2.8.0 to use a version >= 2.8.0 and < 2.9.0

Signed-off-by: David Black <[email protected]>

Author: dbaxa

requirements.txt

@@ -1,4 +1,4 @@
-cryptography>=2.7.0,<2.8.0
+cryptography>=2.8.0,<2.9.0
 PyJWT>=1.5.2,<2.0.0
 requests>=2.8.1,<3.0.0
 CacheControl==0.12.5