Draws a line

@param {String} args The arguments to the command
function LineCommand(args) {
    var parsed = new statements.ArgumentStatement(args);

    if (parsed.args.length < 4) throw new SyntaxError('LINE command requires 4 arguments');
    this.x1 = parsed.args[0];
    this.y1 = parsed.args[1];
    this.x2 = parsed.args[2];
    this.y2 = parsed.args[3];
    this.width = parsed.args.length > 4 ? parsed.args[4] : false;
}