Reorder parameters to zip, collectMerge, delayUnitl, equalsCompare, equalsSeqComparer and throttleComputed
Rename delayUnitl as delayUntil
Rename equalsCompare to equalsComparer
Add intervalOn and throttleOn that take a scheduler
Reorder the parameters to repeatCount so that, like the other Count functions, the count comes first.
This will cause repeatCount<int> to behave differently, but still compile!