2d beta version of libpsl

New Feature(s) :

• PSL integration (can check if it's a prefix or not)

Version 0.3-beta

• Ajout du composer.json pour packagist

1st beta version of libpsl

Features

• You can use class and include it in your project
• You can check mail adress or simple host without changing anything (see https://github.com/frju365/libpsl-php/blob/master/test/test1.php)
• PHP7 syntax