Add type option, default to standard :curly_loop:

This is to support continuous servos versus just standard
Update & Add commands for continous servos :arrows_clockwise:

Added ability to properly stop as well as clockwise & counterclockwise at full
speed
Report different commands if continuous :speech_balloon:
Update servo distribution file :zap:
Pull out the type from extra params correctly :pencil:
Report servo type :tada:
Return the commands correctly :crystal_ball:
Update distribution file :arrow_up:
Moar faster :runner:
Merge pull request #6 from skalnik/continuous-servos

Add continuous servo support
Bring in changes from continous servo