Stream handshake closed prematurely

[daviddias]

Error: Stream ended prematurely
at series (/Users/koruza/code/js-ipfs/node_modules/libp2p-secio/src/handshake/index.js:21:15)

[dignifiedquire]

This is not an error on secio, it means the connection was dropped before the handshake could complete.

[jacobheun]

This should be closable, as it should be resolved by #101, which ensures errors are properly being passed up the callback chain to the dial.