Add bins for advdef, advmng, advpng, advzip. Bump to 0.0.4

I built `advancecomp` on heroku and added its binaries to this gem.

Adds:
  * `advdef`
  * `advmng`
  * `advzip`

Updates:
  * `advpng`

Bumped version to 0.0.4 to reflect the changes.