fix LOAD_PATH in all examples.
bundler/setup is actually the way this should work :P
Merge pull request #26 from nathan/relative_load_path

fix LOAD_PATH in all examples.
Merge pull request #25 from nathan/fix_warnings

Fixing defined constant error in usb_serial_spec
Make sensor accept blocks instead of procs

Fixes #28
Modify sensor tests to validate data
Fix examples to match new sensor behaviour
Merge pull request #29 from pcasaretto/sensor-blocks

Make sensor accept blocks instead of procs