Fix return type to be as expected and documented.
Fix return type to be as expected and documented.

berrygoudswaard/cakephp,ndm2/cakephp,davidyell/cakephp,ADmad/cakephp,berrygoudswaard/cakephp,dakota/cakephp,garethellis36/cakephp,petteyg/cakephp,tenkoma/cakephp,CakeDC/cakephp,dakota/cakephp,dakota/cakephp,garethellis36/cakephp,davidyell/cakephp,ADmad/cakephp,dakota/cakephp,cakephp/cakephp,ADmad/cakephp,mvdriel/cakephp,berrygoudswaard/cakephp,cakephp/cakephp,CakeDC/cakephp,CakeDC/cakephp,ndm2/cakephp,ADmad/cakephp,mvdriel/cakephp,mvdriel/cakephp,garethellis36/cakephp,cakephp/cakephp,ndm2/cakephp,tenkoma/cakephp,garethellis36/cakephp,CakeDC/cakephp,petteyg/cakephp,petteyg/cakephp,mvdriel/cakephp,tenkoma/cakephp,ndm2/cakephp,cakephp/cakephp,davidyell/cakephp,petteyg/cakephp,tenkoma/cakephp