Code coverage badge

Author: nateware

README.md

@@ -2,6 +2,7 @@ Redis::Objects - Map Redis types directly to Ruby objects
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+[![Code Coverage](https://codecov.io/gh/nateware/redis-objects/branch/master/graph/badge.svg)](https://codecov.io/gh/nateware/redis-objects)
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 This is **not** an ORM. People that are wrapping ORM’s around Redis are missing the point.