Scheduled weekly dependency update for week 20 (#162)

* Update aiohttp-session from 2.4.0 to 2.5.1

* Update aiopg from 0.13.2 to 0.14.0

* Update aiohttp from 3.2.0 to 3.2.1

* Update pyjwt from 1.6.1 to 1.6.3

Author: pyup.io bot

requirements-dev.txt

@@ -6,12 +6,12 @@ pytest-mock==1.10.0
 coverage==4.5.1
 sphinx==1.7.4
 pep257==0.7.0
-aiohttp-session==2.4.0
-aiopg[sa]==0.13.2
+aiohttp-session==2.5.1
+aiopg[sa]==0.14.0
 aioredis==1.1.0
 hiredis==0.2.0
 passlib==1.7.1
 cryptography==2.2.2
-aiohttp==3.2.0
+aiohttp==3.2.1
 pytest-aiohttp==0.3.0
-pyjwt==1.6.1
+pyjwt==1.6.3