0.02 2013-11-12
 - Add check for services with ".sh" suffix.
 - Add support for parsing commands from "Usage: $0 start".
 - Add tests for command() method.
 - Fix warnings in commands() method.
 - Remove error and fix code in commands() method. Init.d script returns
   default exit code greater than 0.

0.01 2013-11-12
 - First version.