Try to implements a case insensitive autoloader.
Merge branch 'master' into autoloader

Conflicts:
	tests/units/runner.php
Improve autoloader.
Merge branch 'master' into autoloader
Reset stat cache.
Omptimize autoloader.
Remove useless call to preg_replace_callback().
Add and use autoloader::init().
Use serialize() instead of var_export() to send autoloader to PHP.
Replace '\' with '/' in path if DIRECTORY_SEPARATOR is '\’.
Use serializable interface.
Fixes dateTime failures messages
Add cache file to autoloader.
Merge pull request #178 from ludofleury/dateTime

Fixes dateTime failures messages, thanks to @ludolfeury!
Remove useless method.
Classes directory is now by default in autoloader.
Merge branch 'master' into autoloaderCacheFile
Optimize absolute class name detection.
PHP_EOL is \r\n under Windows.
Improve unit test about autoloader, class, namespace and asserter alias are case insentisitive.