ENH: Fixed CONSTANT variable attachment in cp.Layer
ENH: Fixed CONSTANT variable attachment in cp.Layer

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