torrent.pause: Fix peer._destroy is not a function
torrent.pause: Fix peer._destroy is not a function

Closes #784

feross/webtorrent,joshterrill/webtorrent,webtorrent/webtorrent,jamesliu96/webtorrent,yciabaud/webtorrent,jamesliu96/webtorrent,joshterrill/webtorrent,feross/webtorrent,webtorrent/webtorrent,yciabaud/webtorrent