One warning remains: py:const reference target not found: readline.__doc__ [ref.const]

Author: hugovk

Doc/tools/.nitignore

@@ -50,6 +50,7 @@ Doc/library/platform.rst
 Doc/library/plistlib.rst
 Doc/library/profile.rst
 Doc/library/pyexpat.rst
+Doc/library/readline.rst
 Doc/library/resource.rst
 Doc/library/select.rst
 Doc/library/signal.rst