bump to 4.3.1 with node v0.8 support - closes #45
bump to 4.3.1 with node v0.8 support - closes #45

paulovieira/tilelive,gravitystorm/tilelive.js,mapbox/tilelive,tomhughes/tilelive.js,topwood/tilelive,kyroskoh/tilelive,nyurik/tilelive.js,mapbox/tilelive.js,Norkart/tilelive.js