Add some comments for PourOver functions
Add some comments for PourOver functions

It's starting to get slightly confusing now, better to get it down before I forget.
eskwire/evesrp,paxswill/evesrp,paxswill/evesrp,eskwire/evesrp,eskwire/evesrp,paxswill/evesrp,eskwire/evesrp