Merge pull request #10 from bweston92/master

Allow dots in package names.
Added tests for the PUT method.
Packages find view now inherits RetrieveUpdateAPIView rather then RetrieveAPIVIew allowing it to handle PUT http method.
Merge pull request #12 from bweston92/feature/update-packages-via-put

Feature/update packages via put
fix for the http PUT test