On #1 -- It could be, but trying to stay narrowly focused. There are some great services out there like OpaVote that do a wide array of voting options and calculation methods.
On #2 -- That's a great point. And one that hopefully people start to better understand by using RankedVote and seeing all the "Rounds" happen at once. But, yeah, for many it's a new term. How would you make it more clear?