- added homogeneity test
- added homogeneity test


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