Scheduled weekly dependency update for week 23 (#372)

* Update pytest from 3.6.0 to 3.6.1

* Update pytest from 3.6.0 to 3.6.1

* Update pytest from 3.6.0 to 3.6.1

* Update aiohttp from 3.2.1 to 3.3.1

* Update aiomysql from 0.0.15 to 0.0.16

* Update sqlalchemy from 1.2.7 to 1.2.8

* Update sphinx from 1.7.4 to 1.7.5

Author: pyup.io bot

demos/blog/requirements-dev.txt

@@ -1,4 +1,4 @@
 pyflakes==2.0.0
 pep8==1.7.1
-pytest==3.6.0
+pytest==3.6.1
 ipdb==0.11

demos/blog_react/requirements-dev.txt

@@ -1,4 +1,4 @@
 pyflakes==2.0.0
 pep8==1.7.1
-pytest==3.6.0
+pytest==3.6.1
 ipdb==0.11

requirements-dev.txt

@@ -1,8 +1,8 @@
 aiohttp-jinja2==1.0.0
 aiohttp-security==0.2.0
 aiohttp-session==2.5.1
-aiohttp==3.2.1
-aiomysql==0.0.15
+aiohttp==3.3.1
+aiomysql==0.0.16
 aiopg==0.14.0
 coverage==4.5.1
 docker==3.3.0
@@ -11,9 +11,9 @@ ipdb==0.11
 motor==1.2.2
 pytest-cov==2.5.1
 pytest-sugar==0.9.1
-pytest==3.6.0
+pytest==3.6.1
 python-dateutil==2.7.3
-sqlalchemy==1.2.7
+sqlalchemy==1.2.8
 trafaret==2.0.0a1
 pymysql==0.8.1
 -r requirements-doc.txt

requirements-doc.txt

@@ -1,2 +1,2 @@
-sphinx==1.7.4
+sphinx==1.7.5
 sphinxcontrib-asyncio==0.2.0