Adds some docstrings to te module
solves import model.matadata problem
Found a little mistake in the class name.
begin the unittest file
Add test_retrieve_sensor_id_dict(self): OK!
Add test_insert_metering(self): Ok! Finished for the moment.
Some cleaning
beginning tests/test_last_meterings.py
encoding was missing
Add test_parse_raw_string(self)
Repair forgotten logging import in station_meteo/last_meterings.py and Add func test_parse_raw_string(self) tests/test_last_meterings.py