Tests for discover method

Signed-off-by: Michael Granados <michaelgranados@gmail.com>
Simple discover method

Signed-off-by: Michael Granados <michaelgranados@gmail.com>
Docblock

Signed-off-by: Michael Granados <michaelgranados@gmail.com>
Merge pull request #15 from dgmike/#13-discover-method

"discover" method

closes #13