fixed bug with unclosed pipes, which was silently breaking Gitifier
fixed bug with unclosed pipes, which was silently breaking Gitifier

- the pipe file handles weren't closed, so they piled up, and if the
  app was running long enough, at some point there was too many of them,
  it couldn't open a new one so fetches wouldn't work anymore...

nschum/Gitifier,nschum/Gitifier,nschum/Gitifier