Firmware version 0.4.3

[0.4.3] - 2018-08-30

Added

• Encoder position count "homed" to zero when index is found.

Changed

• We now enforce encoder offset calibration must happen after index is found (if using index)
• Renaming of the velocity estimate pll_vel -> vel_estimate.
• Hardcoded maximum inductance now 2500 uH.

Fixed

• Once you got an axis error ERROR_INVALID_STATE you could never clear it
• Char to int conversion to read motornum on arduino example