Set of functions to conect to web services and read and write json.
The functions include in api_call.lsp:
_ get_from_web: Conect to server and obtain responses.
_ get_DRF_token: Only that. Using the get_from_web function to obtain a DRF token.
The functions included in json_util.lsp:
_ json_to_list: Return a list with the elements of a string in json format
_ list_to_json: Return a string in json format from a list