* Based on the changes of `Horseman` 0.6 : the `FormData`, `TypeCastingDict` and `Query` classes were moved in-house.
0.2.1
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* Request now handles possible incorrect WSGI environ with empty key values, such as `REQUEST_METHOD`, `SCRIPT_NAME` or `QUERY_STRING`.
0.2
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* Added handling of empty path as it can occur in different scenarios. WSGI can provide an empty PATH_INFO or Horseman `Mapping` can match script_name that eats up the whole path.