Update oauthlib-3.1.1

lib/oauthlib/__init__.py

@@ -5,21 +5,30 @@
     A generic, spec-compliant, thorough implementation of the OAuth
     request-signing logic.
 
-    :copyright: (c) 2011 by Idan Gazit.
+    :copyright: (c) 2019 by The OAuthlib Community
     :license: BSD, see LICENSE for details.
 """
-
-__author__ = 'Idan Gazit <idan@gazit.me>'
-__version__ = '1.1.1'
-
-
 import logging
-try:  # Python 2.7+
-    from logging import NullHandler
-except ImportError:
-    class NullHandler(logging.Handler):
+from logging import NullHandler
 
-        def emit(self, record):
-            pass
+__author__ = 'The OAuthlib Community'
+__version__ = '3.1.1'
 
 logging.getLogger('oauthlib').addHandler(NullHandler())
+
+_DEBUG = False
+
+def set_debug(debug_val):
+	"""Set value of debug flag
+	
+    :param debug_val: Value to set. Must be a bool value.
+	"""
+	global _DEBUG
+	_DEBUG = debug_val
+
+def get_debug():
+	"""Get debug mode value. 
+	
+	:return: `True` if debug mode is on, `False` otherwise
+	"""
+	return _DEBUG