lookup table utils fix (#14730)
* fix utils config, test=develop
* reweite tools in lookup table utils, test=develop
* merge develop, test=develop
* add copy in setup, test=develop
* update api spec, test=develop
* add doc, test=develop
* prettifying doc, test=develop
* Update API.spec
update api.spec, test=develop
* Update lookup_table_utils.py
test=develop
* Update lookup_table_utils.py
test=develop
* merge develop, test=develop
* merge develop, test=develop
* init fix, test=develop
* fix in downloads, test=develop
* fix in setup.in, test=develop