Document `StringOverflow` and `StringResult`.
Document `StringOverflow` and `StringResult`.

rustbridge/neon,rustbridge/neon,neon-bindings/neon,dherman/nanny,rustbridge/neon,dherman/nanny,rustbridge/neon,dherman/nanny,rustbridge/neon,neon-bindings/neon,neon-bindings/neon,rustbridge/neon,dherman/nanny,neon-bindings/neon