exclamation points in sublevel names

[calvinmetcalf]

'_(ʘ_ʘ)_/ "\'<!--/*༼ つ ◕_◕ ༽つ' as a sublevel name has --/*༼ つ ◕_◕ ༽つ!foo come up in a key stream (instead of foo)

[dominictarr]

use bytewise encoding on the keys: require('sublevel/bytewise') that can handle any js type including buffers.

[dominictarr]

(of course, I mean any js type that is sensible to use ;P not functions or Invalid Date or NaN etc)