Fixed mageekguy\atoum\fs\path for win32 paths.
Cache contents of autoloader must be an array.
Merge pull request #259 from Adirelle/win32-paths

Improve `fs\path` compatibility with Windows, thanks to @Adirelle.
Improve fs\path.
Typo.
Default configuration file and default bootstrap file are now read before the run, thanks to Hywan for the bug report.
Improve unit test.
Call to scripts\runner::setDefaultBootstrapFiles() now set default bootstrap file even if it was already defined.
Close #262.
Typo.
cli\colorizer is now a writer\decorator.
Use decorators in writer, close #263.
Default writer for Info message must be std\out instead of std\err.
Use colors in scripts\\runner messages, close #264.
Help is now displayed if atoum receive no argument and no default arguments are defined, close #265 and thanks to @Hywan for the idea.
Useless PHP_EOL.
Useless PHP_EOL again.
Add colors in help, close #266.
Improve unit test about script.
Using atoum without argument should execute tests if they are included in a configuration file.