'This method puts a C{L{Association
<openid.association.Association>}} object into storage,
retrievable by server URL and handle.
@param server_url: The URL of the identity server that this
association is with.  Because of the way the server
portion of the library uses this interface, don\'t assume
there are any limitations on the character set of the
input string.  In particular, expect to see unescaped
non-url-safe characters in the server_url field.
@type server_url: C{str}
@param association: The C{L{Association
<openid.association.Association>}} to store.
@type association: C{L{Association
<openid.association.Association>}}
@return: C{None}
@rtype: C{NoneType}'

def storeAssociation(self, server_url, association):

    raise NotImplementedError
