[Standard Library] Improved String[].join()
[Standard Library] Improved String[].join()

- String[].join() optimizes the default List.join().
- As an augment method, the String[] implementation was being inserted before the original definition by default.
- Added the <replace> label to avoid pulling in the original definition.

AbePralle/Rogue,Plasmaworks/Rogue,Plasmaworks/Rogue,Plasmaworks/Rogue,AbePralle/Rogue,Plasmaworks/Rogue