Click pulses *old 'periodics' style*, that is MNBPI ;)

before you look that up,
MNBPI that is 'Maybe Not the Best Possible Implementation'

This is the *old 'periodics' style* implementation
copied over to the Pulses library:
  Click tasks *have to be defined first*
  to get the low index range below CLICK_PULSES.

I plan to change the implementation sometime soonish...

*untested*