Ignore PhpStorm files.
Update Composer.

Signed-off-by: Chalkias Tasos <imtasos@gmail.com>
Add UUID generation capabilities.

Signed-off-by: Chalkias Tasos <imtasos@gmail.com>
Change algorithm in method "formatUuid" of class UuidGenerator.

Signed-off-by: Chalkias Tasos <imtasos@gmail.com>
Rename test method to "testGenerateVersion4UuidForValidity".

Its was previously named "testGenerateVersion4UUIDForValidity".

Signed-off-by: Chalkias Tasos <imtasos@gmail.com>