Initialize a NetlistString with either a compressed or uncompressed netlist string. If both are provided,
the uncompressed netlist will be used. Uses LZString to compress and decompress the netlist string.
Parameters
uncompressed: string = undefined
{string} string that holds a netlist
compressed: string = undefined
{string} LZ compressed string that holds a netlist
Initialize a NetlistString with either a compressed or uncompressed netlist string. If both are provided, the uncompressed netlist will be used. Uses LZString to compress and decompress the netlist string.