Pickup some loose ends from PR #7122#7218

Merged

d-a-v merged 3 commits intoesp8266:masterfrom

dok-net:fixup_7211

Apr 19, 2020

Commits on Apr 17, 2020

Fixup 7122, new startWaveformCycles more aptly named startWaveformClockCycles (like in rest of core API for this type of use).
dok-net
committed

Commits on Apr 18, 2020

Merge branch 'master' into fixup_7211
devyte
authored

Commits on Apr 19, 2020

Merge branch 'master' into fixup_7211
d-a-v
authored