jwhitehorn/pi_piper — pull request #4 by leucos (2013-05-15 13:29:39+00:00)
Title: Implements pull up/pull down support

Added documentation in README.md
Added tests in spec/pull_mode_spec.rb, and rake task to start them
(`rake test`).
Added `echoe` and `rake` as dev deps.
Implemented pulling up/down pin via ffi+bcm lib.