'Set the X-Twitter HTTP headers that will be sent to the server.
Args:
client:
The client name as a string.    Will be sent to the server as
the \'X-Twitter-Client\' header.
url:
The URL of the meta.xml as a string.    Will be sent to the server
as the \'X-Twitter-Client-URL\' header.
version:
The client version as a string.    Will be sent to the server
as the \'X-Twitter-Client-Version\' header.'

def SetXTwitterHeaders(self, client, url, version):

    self._request_headers['X-Twitter-Client'] = client
    self._request_headers['X-Twitter-Client-URL'] = url
    self._request_headers['X-Twitter-Client-Version'] = version
