Merge pull request #255 from aio-libs/pyup-update-ipdb-0.10.2-to-0.11

Update ipdb to 0.11

Author: asvetlov

requirements-dev.txt

@@ -1,6 +1,6 @@
 coverage==4.4.2
 flake8==3.4.1
-ipdb==0.10.2
+ipdb==0.11
 ipython==6.1.0
 pytest==3.4.0
 pytest-cov==2.5.1