altered kdtree distance metric to be agnostic to capitalization
altered kdtree distance metric to be agnostic to capitalization

schmidtc/pysal,hasecbinusr/pysal,sjsrey/pysal,lanselin/pysal,pastephens/pysal,ljwolf/pysal_core,badjr/pysal,weikang9009/pysal,jlaura/pysal,nathania/pysal,schmidtc/pysal,sjsrey/pysal_core,chhao91/pysal,pastephens/pysal,jlaura/pysal,ljwolf/pysal_core,lixun910/pysal,pysal/pysal,hasecbinusr/pysal,jlaura/pysal,nathania/pysal,sjsrey/pysal_core,ljwolf/pysal_core,ljwolf/pysal,chhao91/pysal,ljwolf/pysal,badjr/pysal,TaylorOshan/pysal,pedrovma/pysal,pastephens/pysal,ljwolf/pysal,sjsrey/pysal_core,hasecbinusr/pysal,TaylorOshan/pysal,TaylorOshan/pysal,lixun910/pysal,lixun910/pysal