v1.1

Fix:

- Fix hang while execution

v1.0

Feature

- Generate Serial number
- Customable Serial Number
- Direct config

$sn->setConfig([	
                        'length' => 5,
                        'segment' => '4',
                        'seperator' => '-',
                        'charset' => "123456789ABCDEFGH"
                    ])
		->generate();