PipeSys Version 2 Refactor
- Adds
phpcs
andphpmd
and a Travis file for checking the outcome. - Commands now handle all their own logic leaving less for the Scheduler.
- Implements StdErr channels (Closes #5).
- Commands may now have an unlimited number of channels which can be input or
output channels or both. - Bumps the version to PHP 5.6 minimum.
- Updates the README.