Fix Hash.toHex for odd character Strings

Also, made two functions work the same, and removed CadiException
Because CadiException removed, covered "FileGetter" with NullCheck

Issue-ID: AAF-941
Signed-off-by: Instrumental <jgonap@stl.gathman.org>
Change-Id: I7ee13ab98d3a70c1cdc59573921e0948ef198f9c
3 files changed