Updated README.

Author: joestump

README.md

@@ -7,6 +7,7 @@ This code was originally forked from [Leah Culver and Andy Smith's oauth.py code
 * Classes are no longer prefixed with <code>OAuth</code>.
 * The <code>Request</code> class now extends from <code>dict</code>.
 * The library is likely no longer compatible with Python 2.3.
+* The <code>Client</code> class works and extends from <code>httplib2</code>. It's a thin wrapper that handles automatically signing any normal HTTP request you might wish to make.
 
 # Signing a Request