issue #134, changing incomplete methods to rasie NotImplementedError.
issue #134, changing incomplete methods to rasie NotImplementedError.


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