Update cryptography from 2.4.2 to 2.8 (#233)

pyup-bot · nicfit · commit 46dba3019bae · 2019-11-02T16:27:49.000-06:00
diff --git a/requirements/default.txt b/requirements/default.txt
@@ -1,4 +1,4 @@
-cryptography==2.4.2
+cryptography==2.8
 jwcrypto==0.6.0
 requests==2.22.0
 nicfit.py>=0.5.10
