Pyuarm

Updated - Alex Tan

Fix
- calibrate.py is_all_calibrated, is_stretch_calibrated, is_manual_calibrated, is_linear_calibrated rename

Updated - Alex Tan

Changes
- add setup.py for script install
- rename calibrate.py function names to match the Python Standard

Updated - Alex Tan

Fix
- rename self.uarm to self.sp

Changes
- Provide uarm isConnected Function

Updated - Alex Tan

Fix
- Fix float decimal accuracy

Changes
- Compatible with uArm Firmata v1.5
- New function *list_uarms()* will return all the available uArm ports
- New function *get_uarm()* will return the instance from first port of *list_uarms()*
- get Firmware version when initialize
- Move(x,y,z) Relative action control