Adding `some` function. Rename `scope` function with `value` to `with`. Modified `repeat` function's code. `Flag` conformed to protocol `BooleanType`.
Adding `some` function.
Rename `scope` function with `value` to `with`.
Modified `repeat` function's code.
`Flag` conformed to protocol `BooleanType`.

EZ-NET/ESSwim,EZ-NET/ESSwim