This change brings this library's autoloading up to modern standards in
the larger PHP community and uses methods recommended by the PHP
dependency manager, composer.
From PSR-0 http://www.php-fig.org/psr/psr-0/
> As of 2014-10-21 PSR-0 has been marked as deprecated. PSR-4 is now
> recommended as an alternative.
PSR-4: http://www.php-fig.org/psr/psr-4/
From composer https://getcomposer.org/doc/04-schema.md#autoload
> PSR-4 is the recommended way since it offers greater ease of use (no
> need to regenerate the autoloader when you add classes).
I recommend dropping alias, since it has not enough attention to keep them up to date. Usual case for most I've seen.
Now it's version 1.8-dev so it's been useless for a while now.
