Fixes issue #77. Improves args and kwargs handling by _process_command....

Fixes issue #77. Improves args and kwargs handling by _process_command. Reorders method in alphabetical order to ease navigating the code

config.py

@@ -13,15 +13,16 @@ logging_suffix = ''
 OHMPI_CONFIG = {
     'id': ohmpi_id,  # Unique identifier of the OhmPi board (string)
     'R_shunt': 2,  # Shunt resistance in Ohms
-    'Imax': 4800/50/2,  # Maximum current
+    'Imax': 4800 / 50 / 2,  # Maximum current
     'coef_p2': 2.50,  # slope for current conversion for ADS.P2, measurement in V/V
-    'coef_p3': 2.50,  # slope for current conversion for ADS.P3, measurement in V/V
-    'offset_p2': 0,
-    'offset_p3': 0,
-    'integer': 2,  # Max value 10 # TODO: Explain what this is...
-    'version': 2,
+    #    'coef_p3': 2.50,  # slope for current conversion for ADS.P3, measurement in V/V
+    #    'offset_p2': 0,
+    #    'offset_p3': 0,
+    'nb_samples': 2,  # Max value 10 # was named integer before...
+    'version': 2,  # Is this still needed?
     'max_elec': 64,
-    'board_addresses': {'A': 0x73, 'B': 0x72, 'M': 0x71, 'N': 0x70},  # def. {'A': 0x76, 'B': 0x71, 'M': 0x74, 'N': 0x70}
+    'board_addresses': {'A': 0x73, 'B': 0x72, 'M': 0x71, 'N': 0x70},
+    # def. {'A': 0x76, 'B': 0x71, 'M': 0x74, 'N': 0x70}
     'settings': 'ohmpi_settings.json',
     'board_version': '22.10'
 }  # TODO: add a dictionary with INA models and associated gain values
@@ -29,7 +30,7 @@ OHMPI_CONFIG = {
 # Execution logging configuration
 EXEC_LOGGING_CONFIG = {
     'logging_level': logging.INFO,
-    'log_file_logging_level' : logging.DEBUG,
+    'log_file_logging_level': logging.DEBUG,
     'logging_to_console': True,
     'file_name': f'exec{logging_suffix}.log',
     'max_bytes': 262144,
@@ -67,7 +68,7 @@ MQTT_LOGGING_CONFIG = {
     'retain': False,
     'keepalive': 60,
     'will': None,
-    'auth': { 'username': 'mqtt_user', 'password': 'mqtt_password' },
+    'auth': {'username': 'mqtt_user', 'password': 'mqtt_password'},
     'tls': None,
     'protocol': MQTTv31,
     'transport': 'tcp',
@@ -85,7 +86,7 @@ MQTT_CONTROL_CONFIG = {
     'retain': False,
     'keepalive': 60,
     'will': None,
-    'auth': { 'username': 'mqtt_user', 'password': 'mqtt_password' },
+    'auth': {'username': 'mqtt_user', 'password': 'mqtt_password'},
     'tls': None,
     'protocol': MQTTv31,
     'transport': 'tcp',