Adding sleep so sphero stops before connection is closed
Adding set tempo options flags

This will allow to make the sphero stop when bluetooth connection
is closed and avoid doing roll(0,0) for that.
Putting back stop on program exit
Merge pull request #12 from hybridgroup/set-temp-option-flags

Adding set temp options flags
Update version number
Merge pull request #14 from hybridgroup/dev

Release latests changes for auto stop