[IoVM] Sequence removeAt

[superbobry]

The current removeAt implementation for Sequence looks a little inconsistent to me, at least compared to the way List acts:
Io> "123" removeAt(0)
==> "23"
Io> list(1,2,3) removeAt(0)
==> 1

[burritoboy]

seems like the list style remove at is the better way to go there, just my two cents

[stevedekorte]

A good point - thanks