Basic composer configuration
Removing external autoloader, composer is used instead
Constructor no more needed.
No more cache file for "table to class" conversion.
Metadata are now in each Repository file.
Fix new metadata loading
Move file
composer for sample
Move file and new autoloader.
ignore vendor
Fix host
Type DatabaseResult
Throw exception on unknown database handler
Fix typo
Merge remote-tracking branch 'origin/feature/composer-namespace'