Update widget docs per #226 for consistency across code examples

Author: stevepiercy

setup.py

@@ -24,7 +24,7 @@ def readfile(name):
 
 README = readfile("README.rst")
 CHANGES = readfile("CHANGES.txt")
-VERSION = '3.0.0.dev0'
+VERSION = '2.0.12'
 
 PY3 = sys.version_info[0] == 3