Added support for listable and non-listable metadata to create_object and create_object_on_path.  Added a private method called __process_metadata to normalize metadata.
Added support for listable and non-listable metadata to create_object and create_object_on_path.  Added a private method called __process_metadata to normalize metadata.
MrBasset/atmos-python,chadlung/atmos-python,ab24v07/atmos-python,lweeks/atmos-python