cli: Using Control-C should not print "Unexpected error" message (Fix #497)
cli: Using Control-C should not print "Unexpected error" message (Fix #497)

Terminating a script with Control-C returns exit code 130 in new
versions of node.

jamesliu96/webtorrent,Stiveknx/webtorrent,joshterrill/webtorrent,webtorrent/webtorrent,feross/webtorrent,feross/webtorrent,webtorrent/webtorrent,rom1504/webtorrent,yciabaud/webtorrent,joshterrill/webtorrent,Stiveknx/webtorrent,jamesliu96/webtorrent,whitef0x0/webtorrent,yciabaud/webtorrent,whitef0x0/webtorrent,arestov/webtorrent