Scheduled weekly dependency update for week 45 (#227)

* Update coverage from 4.4.1 to 4.4.2

* Update cryptography from 2.1.2 to 2.1.3

* Update pynacl from 1.1.2 to 1.2.0

* Update aiohttp from 2.3.1 to 2.3.2

* Update multidict from 3.3.0 to 3.3.2

Author: pyup.io bot

requirements-dev.txt

@@ -1,15 +1,15 @@
 flake8==3.5.0
-coverage==4.4.1
+coverage==4.4.2
 sphinx==1.6.5
 pep257==0.7.0
 -e .
 aioredis==0.3.4
-cryptography==2.1.2
-pynacl==1.1.2
+cryptography==2.1.3
+pynacl==1.2.0
 pytest-aiohttp==0.1.3
 pytest-cov==2.5.1
-aiohttp==2.3.1
-multidict==3.3.0
+aiohttp==2.3.2
+multidict==3.3.2
 chardet==3.0.4
 yarl==0.13.0
 aiomcache==0.5.2