fix for #43, don't encode callback right away. Thanks dinkumator and Hiroaki.Kawai!

git-svn-id: https://oauth.googlecode.com/svn/code/python@848 f7ae4463-c52f-0410-a7dc-93bad6e629e8

Author: leah.culver

oauth/oauth.py

@@ -232,7 +232,7 @@ def from_token_and_callback(token, callback=None, http_method=HTTP_METHOD, http_
         parameters['oauth_token'] = token.key
 
         if callback:
-            parameters['oauth_callback'] = escape(callback)
+            parameters['oauth_callback'] = callback
 
         return OAuthRequest(http_method, http_url, parameters)