All *SetBindings were missing a simple i++ increment which caused
serialization of a TreeSet<..> structure to fail with NPE when the set
contained more than 1 elements.
refs #7592
Change-Id: Ic0f10324dfbfbafe527c624d7d092928a2f10bb7
for (Object k : _setFrom) {
keys[i] = k;
values[i] = null;
for (Object k : _setFrom) {
keys[i] = k;
values[i] = null;
for (Object k : _setFrom) {
keys[i] = k;
values[i] = null;
for (Object k : _setFrom) {
keys[i] = k;
values[i] = null;
for (Object k : _setFrom) {
keys[i] = k;
values[i] = null;
for (Object k : _setFrom) {
keys[i] = k;
values[i] = null;