Update portupgrade to 1.26 and portversion to 1.4.

This is a milestone release for me.  Enjoy. :>

portupgrade changes:
  - Implement -s/--sort which sorts packages in the dependency order.
  - Implement -R/--upward-recursive, and get -r/--recursive working for
    upgrading as well. (Finally!)
  - Add -DBATCH to the make fetch' commandline to prevent ports from
    dumbly waiting for user input.

  Greatly inspired by: Jimmy Olgeni <olgeni@uli.it> (Thanks!!)

portversion changes:
  - Make command output optimal by using portupgrade's -s option.
  - Report possible ports' Makefile breakage.

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