refactor eraseCategoty.php, insertCategory.php, removeCategory.php
php_refactor complete (?)
Revert "php_refactor complete (?)"

This reverts commit 8ff10255dbd330ab451dd8059fc91883a9083ecc.
Revert "Revert "php_refactor complete (?)""

This reverts commit 95c52f85d5f26d88a91766b4297c608be1bdd612.
Revert "Revert "Revert "php_refactor complete (?)"""

This reverts commit 8eedf98ac57d3b4545fdfd8f13081223eee0a1c8.
Revert "Revert "php_refactor complete (?)""

This reverts commit 95c52f85d5f26d88a91766b4297c608be1bdd612.
php_refactor complete (?)
Merge pull request #17 from mellowonpsx/php_refactoring

Php refactoring