Bug in RC4#update()

[Glusk]

This line

caesar/src/main/java/com.github.glusk.caesar/com/github/glusk/caesar/cipher/RC4.java

Line 99 in b6edd43

Bytes.wrapped(S), i, j,

returns a new object with non-updated values of i and j.

No test cases check for chained update() calls so this was not detected.