Merge pull request #7 from AvdN/patch-1

fix ruamel.yaml on 0.14.X for now

Author: thomas

setup.py

@@ -78,7 +78,7 @@
     # your project is installed. For an analysis of "install_requires" vs pip's
     # requirements files see:
     # https://packaging.python.org/en/latest/requirements.html
-    install_requires=['pypyr', 'boto3', 'ruamel.yaml'],
+    install_requires=['pypyr', 'boto3', 'ruamel.yaml<0.15'],
 
     # List additional groups of dependencies here (e.g. development
     # dependencies). You can install these using the following syntax,