'This method mangles the request in order to evade simple IDSs.
This method MUST be implemented on every plugin.
:param request: urllib2.Request instance that is going to be modified by the evasion plugin
:return: A fuzzed version of the Request.'

def modify_request(self, request):

    msg = 'Plugin    is    not    implementing    required    method    modify_request'
    raise NotImplementedError(msg)
