Improved Preloading with parent filters, multi filtering and aliased lists. Closes #327.
Also fixed unset().
Fixed using condition without binding parameters and allow using an array for aliasing
Cherry-picked test issue 328.
Fixed another notice issue.
Adding R::getAssocRow and tests. Closes #324.
Remove namespacing.
Revert "Make setting parent bean faster"

This reverts commit 895ab185914e5765555252ddcac142e8e34455f8.
Revert "Also fixed unset()."

This reverts commit b6fed63defb8090ccb892fea787b8baf9809967a.
Merged RB35X