simHuman	https://raw.githubusercontent.com/ComparativeGenomicsToolkit/cactusTestData/master/evolver/primates/loci1/simHuman.chr6
simChimp	https://raw.githubusercontent.com/ComparativeGenomicsToolkit/cactusTestData/master/evolver/primates/loci1/simChimp.chr6
simGorilla	https://raw.githubusercontent.com/ComparativeGenomicsToolkit/cactusTestData/master/evolver/primates/loci1/simGorilla.chr6
simOrang	https://raw.githubusercontent.com/ComparativeGenomicsToolkit/cactusTestData/master/evolver/primates/loci1/simOrang.chr6
