use volume rate to determine the best result,

expose more public methods from BinPacker

fix for codacy, add badge

update nuget package

expose all pack results, always clone cuboids to support it

update nuget version

support specific max weight of each bin and disallow rotate vertically

add weight property in cuboid, extend bin pack parameter

add tag property in Cuboid

add Rectangle.ToString

remove dead code, add assertion

add nuget package and update readme

add examples and readme

initial commit