minor changes to accomodate future econometric models
minor changes to accomodate future econometric models

TaylorOshan/pysal,spreg-git/pysal,jlaura/pysal,hasecbinusr/pysal,weikang9009/pysal,lixun910/pysal,sjsrey/pysal_core,lixun910/pysal,badjr/pysal,ljwolf/pysal_core,jlaura/pysal,darribas/pysal,badjr/pysal,sjsrey/pysal_core,ljwolf/pysal_core,nathania/pysal,pysal/pysal,ljwolf/pysal,nathania/pysal,lixun910/pysal,ljwolf/pysal,TaylorOshan/pysal,schmidtc/pysal,pastephens/pysal,lanselin/pysal,sjsrey/pysal,hasecbinusr/pysal,pastephens/pysal,ljwolf/pysal_core,dfolch/pysal,spreg-git/pysal,jlaura/pysal,pedrovma/pysal,hasecbinusr/pysal,ljwolf/pysal,sjsrey/pysal_core,darribas/pysal,chhao91/pysal,pastephens/pysal,TaylorOshan/pysal,dfolch/pysal,schmidtc/pysal,chhao91/pysal