Remove unused folders from gitignore
Preparing for Composer package
Moving to full paths for configuration. Fix path calls.
Correct test base URL
Correct setting default 404 output
Refactoring load theme. Loading theme is optional.
A PHP application may not use an HTML theme.

To load a default theme, do it on your index.php page like this:

$app = \Arch\App::Instance();
$app->loadTheme('/path/to/theme');
$app->run();
Update core version to 0.0.11