040000 tree 6d54085a178a614f897da11d75e7806dd7f4087b	0.5.0
040000 tree d0f3e683f87416441d4b96dd0255152844769c64	0.5.1
040000 tree 7a232b44e012d3e707e66a4b7354c7ee4106facd	0.5.2
040000 tree 5fd400bcda2a380b746ead9c75f15cac8f358850	0.6.1