Introduct FileNotFound exception
Update the GridFS adapter
Update local adapter
Update zip adapter
Update APC adpater
Update safe local test
Skip GridFS test when server is not configured
Add FTP test case
Ignore custom PHPUnit configuration file
Update functional test case + update Sftp adapter
Add Size utility class
Move Checksum class in Util namespace
Move Path class in Util namespace
Update MogileFS adapter
Update AmazonS3 adapter
Remove old base functional test case
Introduce UnexpectedFile exception on rename
Modify bootstrap
Add dropbox adapter
Add Dbal adapter