stopped dupe keys when assigning new value to existing key
Merge pull request #77 from twobraids/no-dot-dupe

stopped dupe keys when assigning new value to existing key
version rev
Merge pull request #78 from twobraids/116

version rev to 1.1.6
stop changing the defaults in required_config bug fixed
rev version
Merge pull request #79 from twobraids/117

make sure required_config is a Mapping and don't try to change it.