tree 26236cdaa0d1f6975423b5b5b69d16d16ab5c31b
parent 03616c9dbace73f6f39ffb45b37a5198c526a86b
author Jeff Thompson <jefft0@gmail.com> 1379021906 -0700
committer Jeff Thompson <jefft0@gmail.com> 1379021906 -0700

In toHex, if argument is null, return "".