2.1.1

• Bugfixed accidental write to input variables in Closure plugin

  This is a serious bug and the reason for the emergency patch release.
  This bug may affect operation of caller code in a default Kint 2.0+ installation.
  Please upgrade at your earliest convenience.

• Removed value representation from unknown types

• Stricter parsing and testing for "Impossible index" variables

• Updated nodejs to use a lockfile