- more stubs for util mod
- more stubs for util mod


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