There is an ongoing outage on the primary CPAN mirror. It is possible to work around the issue by using MetaCPAN as a mirror.

0.004 - June 3rd 2017
  * Use the encoding as part of the protocol

0.003 - June 2nd 2017
  * Fix encoding behavior in REPL

0.002 - May 28th 2017
  * Mostly working version, first usable.