Fixed setChildIndex issue where index is unnecessarily decremented

Signed-off-by: Lanny McNie <lanny@gskinner.com>
Doc updates (manually merged from pull request by @peteshand)

Signed-off-by: Lanny McNie <lanny@gskinner.com>
Minor doc updates and updated VERSIONS

Signed-off-by: Lanny McNie <lanny@gskinner.com>