Change BitString implementation to use String as backing buffer (as profiling showed that BitSet based solution was too slow)
Change BitString implementation to use String as backing buffer (as profiling showed that BitSet based solution was too slow)

Signed-off-by: Jussi Kivilinna <1f0aa498f7c1bee2bd6061b97aca51d7b122cec0@mbnet.fi>

jkivilin/cwp-morse-mangle