don't fail on arrays with 0 or '' as key in getFlatKeyNames
closes #757
don't remove by validators exported arrays from the request data
closes #756
changelog for e70c4351d2c1e9901da1fe6c7c209647411cb11d...3dedaf02d5ddc067a732ade0c2d371ef1534611a
0.11.1 RC3 version info
merge e70c4351d2c1e9901da1fe6c7c209647411cb11d...acfcbfc3b203e77e797cc90d561aba30ecd53f45 (from 0.11)