Features
-Check piston clock with slimeblock (not plane)
-add an options for enable/disable differents clock check

Bugfix
-Correct bug with setMaxpulses command
-add support for olders versions

The Config files have been updated with new settings

Code (Text):

checkedClock:
  comparator: true
  observer: true
  piston: true
  redstoneAndRepeater: true