Fixes jerk problems for delta printer (hopefully)
Add support for AD8494, AD8495, AD8496 and AD8497
Merge pull request #105 from kyrreaa/master

Add support for AD8495/6/7/8
Correct printout of M251
M251 was using the same calculation for both steps and distance printout and was further more printing both out as a long.
The correct printout should be steps as long and distance in float.
Merge pull request #108 from kyrreaa/master

Correct M251 printout
Version 0.83 - fixes clacks after z changes
Merge remote-tracking branch 'upstream/master'