Log Message:
Update ruby-highline package to 1.6.2.

= Change Log

Below is a complete listing of changes for each revision of HighLine.

== 1.6.2

* Correctly handle STDIN being closed before we receive any data (fix by
  mleinart).
* Try if msvcrt, if we can't load crtdll on Windows (fix by pepijnve).
* A fix for nil_on_handled not running the action (reported by Andrew Davey).