remove leftover argument in defintion of doICAP() and return a defer response instead of None when we successfully write to a child process
remove leftover argument in defintion of doICAP() and return a defer response instead of None when we successfully write to a child process

david-farrar/exaproxy,david-farrar/exaproxy,PrFalken/exaproxy,PrFalken/exaproxy,PrFalken/exaproxy,david-farrar/exaproxy