Log message:
Removing python26. EOL'd quite some ago and discussed a couple times on
tech-pkg@ and pkgsrc-users@.

Log message:
Update py-argcomplete to 0.8.4.

Version 0.8.4 (2014-12-11)
- Fix issue related to using argcomplete in a REPL environement. Thanks
  to @wapiflapi (pull request #91).

Version 0.8.3 (2014-11-09)
- Fix multiple issues related to using argcomplete in a REPL environement.
  Thanks to @wapiflapi (pull request #90).

Version 0.8.2 (2014-11-03)
- Don't strip colon prefix in completion results if COMP_WORDBREAKS does
  not contain a colon. Thanks to @berezv (pull request #88).

Log message:
Import py-argcomplete.

Argcomplete provides easy, extensible command line tab completion of
arguments for your Python script. It makes two assumptions:
- You're using bash or zsh as your shell
- You're using argparse to manage your command line arguments/options