Implemented debug logging

semver/logger.py

@@ -0,0 +1,19 @@
+import logging
+import subprocess
+
+# create logger
+logger = logging.getLogger('simple_example')
+logger.setLevel(logging.DEBUG)
+
+# create console handler and set level to INFO
+console_logger = logging.StreamHandler()
+console_logger.setLevel(logging.INFO)
+
+# create formatter
+formatter = logging.Formatter('%(asctime)s - %(levelname)s - %(message)s')
+
+# add formatter to console_logger
+console_logger.setFormatter(formatter)
+
+# add console_logger to logger
+logger.addHandler(console_logger)