Bump cython from 0.27.3 to 0.28.2

dependabot-support · dependabot-support · commit 4b9458824939 · 2018-05-01T10:22:17.000Z
Bumps [cython](http://cython.org/) from 0.27.3 to 0.28.2. Signed-off-by: dependabot[bot] <support@dependabot.com>
diff --git a/dev-requirements.txt b/dev-requirements.txt
@@ -1,4 +1,4 @@
 pytest==3.2.5
 coverage==4.3.1
-cython==0.27.3
+cython==0.28.2
 tox==2.5.0
