Mention debug option in docs

docs/source/conf.py

@@ -48,9 +48,9 @@ copyright = u'2013, JC Brand'
 # built documents.
 #
 # The short X.Y version.
-version = '0.5.1'
+version = '0.5.3'
 # The full version, including alpha/beta/rc tags.
-release = '0.5.1'
+release = '0.5.3'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.

docs/source/index.rst

@@ -463,6 +463,11 @@ a middle man between HTTP and XMPP.
 
 See `here <http://metajack.im/2008/09/08/which-bosh-server-do-you-need>`_ for more information.
 
+debug
+-----
+
+If set to true, debugging output will be logged to the browser console.
+
 fullname
 --------