Removing method chaining from core session library & adding assign by references for php4 compatibility.
Removing method chaining from core session library & adding assign by references for php4 compatibility.

eryw/cakephp,jerems02/cakephp,ADmad/cakephp,mvdriel/cakephp,jeffblack360/cakephp,ndm2/cakephp,bravo-kernel/cakephp,nrother/cakephp,jjj117/cakephp,petteyg/cakephp,nrother/cakephp,petteyg/cakephp,ndm2/cakephp,berrygoudswaard/cakephp,dakota/cakephp,et304383/passbolt_api,burriko/cakephp,gmponos/cakephp,cakephp/cakephp,tenkoma/cakephp,jerems02/cakephp,CVO-Technologies/cakephp,davidyell/cakephp,timhoeppner/cakephp,berrygoudswaard/cakephp,akintoey/cakephp,tisu2tisu/cakephp,mvdriel/cakephp,dkarvounaris/cakephp,HavokInspiration/cakephp,erikfig/cakephp,adopico/cakephp,michaelze/cakephp,dakota/cakephp,elboletaire/cakephp,Balachan27/cakephp,yinhe007/cakephp,thinkingmedia/cakephp,yinhe007/cakephp,garethellis36/cakephp,khoimt/cakephp-study,tisu2tisu/cakephp,eboominathan/cakephp,michaelze/cakephp,cakephp-fr/cakephp,timhoeppner/cakephp,jerems02/cakephp,yinhe007/cakephp,ADmad/cakephp,jjj117/cakephp,et304383/passbolt_api,dkarvounaris/cakephp,kumamidori/cakephp,erikfig/cakephp,khoimt/cakephp-study,adopico/cakephp,Balachan27/cakephp,davidyell/cakephp,timhoeppner/cakephp,eboominathan/cakephp,justinyost/cakephp,eryw/cakephp,garethellis36/cakephp,web-player/cakephp,jeffblack360/cakephp,Phillaf/cakephp,cakephp-fr/cakephp,berrygoudswaard/cakephp,cakephp/cakephp,jeffblack360/cakephp,et304383/passbolt_api,CakeDC/cakephp,erikfig/cakephp,burriko/cakephp,tenkoma/cakephp,gmponos/cakephp,kumamidori/cakephp,dakota/cakephp,tenkoma/cakephp,burriko/cakephp,tgr0ss/cakephp,HavokInspiration/cakephp,web-player/cakephp,ADmad/cakephp,CVO-Technologies/cakephp,davidyell/cakephp,cakephp-fr/cakephp,ndm2/cakephp,Phillaf/cakephp,kumamidori/cakephp,akintoey/cakephp,michaelze/cakephp,mvdriel/cakephp,thinkingmedia/cakephp,Balachan27/cakephp,et304383/passbolt_api,tgr0ss/cakephp,et304383/passbolt_api,ADmad/cakephp,eboominathan/cakephp,web-player/cakephp,akintoey/cakephp,ndm2/cakephp,ionas/cakephp,ionas/cakephp,pbaire/cakephp,tgr0ss/cakephp,pbaire/cakephp,nrother/cakephp,justinyost/cakephp,jjj117/cakephp,dkarvounaris/cakephp,petteyg/cakephp,dakota/cakephp,elboletaire/cakephp,khoimt/cakephp-study,Phillaf/cakephp,thinkingmedia/cakephp,CakeDC/cakephp,CakeDC/cakephp,cakephp/cakephp,elboletaire/cakephp,CakeDC/cakephp,CVO-Technologies/cakephp,ionas/cakephp,tenkoma/cakephp,garethellis36/cakephp,justinyost/cakephp,HavokInspiration/cakephp,mvdriel/cakephp,petteyg/cakephp,gmponos/cakephp,adopico/cakephp,garethellis36/cakephp,bravo-kernel/cakephp,pbaire/cakephp,bravo-kernel/cakephp,eryw/cakephp,cakephp/cakephp,tisu2tisu/cakephp