don't fail on arrays with 0 or '' as key in getFlatKeyNames
closes #681
don't remove by validators exported arrays from the request data
closes #680
changelog for ef8ab573c28ca35bb58d82455290fce10fb29080 to a575f4fe524f7e1f2c56746fe455a9394226548f
0.11.1 RC3 version info
merge ef8ab573c28ca35bb58d82455290fce10fb29080 to 577c7ea51495cc54eaf7fbe32e713ef16e61702a (from 0.11)