Scheduled weekly dependency update for week 38 (#93)

* Update babel from 2.5.0 to 2.5.1

* Update ipython from 6.1.0 to 6.2.0

* Update pluggy from 0.5.1 to 0.5.2

* Update six from 1.10.0 to 1.11.0

* Update sphinx-intl from 0.9.9 to 0.9.10

* Update tox from 2.8.1 to 2.8.2

requirements/constraints.txt

@@ -2,7 +2,7 @@ alabaster==0.7.10
 appdirs==1.4.3
 appnope==0.1.0
 args==0.1.0
-Babel==2.5.0
+Babel==2.5.1
 click==6.7
 clint==0.5.1
 coverage==4.4.1
@@ -14,7 +14,7 @@ flake8==3.4.1
 freezegun==0.3.9
 imagesize==0.7.1
 ipdb==0.10.3
-ipython==6.1.0
+ipython==6.2.0
 ipython-genutils==0.2.0
 Jinja2==2.9.6
 -e git+git@github.com:kobinpy/kobin.git@5184a9f6e0b448b41b300d1182a8552398e70a1e#egg=kobin
@@ -25,7 +25,7 @@ packaging==16.8
 pexpect==4.2.1
 pickleshare==0.7.4
 pkginfo==1.4.1
-pluggy==0.5.1
+pluggy==0.5.2
 prompt-toolkit==1.0.15
 ptyprocess==0.5.2
 py==1.4.34
@@ -38,12 +38,12 @@ pytz==2017.2
 requests==2.18.4
 requests-toolbelt==0.8.0
 simplegeneric==0.8.1
-six==1.10.0
+six==1.11.0
 snowballstemmer==1.2.1
 solar-theme==1.3.3
 Sphinx==1.6.3
-sphinx-intl==0.9.9
-tox==2.8.1
+sphinx-intl==0.9.10
+tox==2.8.2
 traitlets==4.3.2
 twine==1.9.1
 typed-ast==1.1.0