Colon in test description corrupts output formatting

[ratiotile]

"tape": "^4.6.0",
"faucet": "0.0.1
npm --version 3.10.6
node --version v6.3.0

This line of TAP input with a colon:
ok 200 CallableReturningEventEmitter: unregistered event does not fire listener
produced by the tape assertion: t.equals(testobj.hit, 'dog', "CallableReturningEventEmitter: unregistered event does not fire listener")
results in messed-up faucet output:

what it should look like:

[prantlf]

I didn't notice this issue at first. It appears to be the same problem as #30. A long assertion text messes up the test name printed later. I fixed it by #29.

[ljharb]

Fixed in #29.