Decoupled ResourceInterface from file system logic
Removed pattern classes and reorganized files
Updated documentation to latest changes
Removed unnecessary FQCNs
Updated the CHANGELOG
Skipped tests that don't work before PHP 5.4.0
Moved classes Path and Selector back to Util namespace
ResourceRepository::remove() now returns the number of removed resources
ResourceRepository::tag() and ::untag() now return the number of affected resources
Added PHPDoc to the files in the main namespace
Optimized imports