Log Message:
p5-Encode: update to 2.98.

$Revision: 2.98 $ $Date: 2018/04/22 09:02:00 $
! t/truncated_utf8.t
  Resolved: RT125131: truncated_utf8.t TODO test pass in blead
  https://rt.cpan.org/Ticket/Display.html?id=125131
! Encode.xs
  Pulled: Remove XS functions _bytes_to_utf8() and _utf8_to_bytes()
  https://github.com/dankogai/p5-encode/pull/133
! Unicode/Unicode.xs
  Pulled: Automatically compute length in attr() macro
  https://github.com/dankogai/p5-encode/pull/132
! Encode.xs
  Pulled: Fix compile warnings on 64bit MS VS2017
  https://github.com/dankogai/p5-encode/pull/131