flock changes.  Work in progress.
Continued flock work.
Add actual locking and log changes necessary for debugging.
Simpler log unique id.
Respect locked files, surface correct exception.
Remove unused methods.
Fix typo
Fix typo
Removed unused vars/declarations, update PHPDoc.
Don't error out on console.
Move Lock to private namespace, add interface. Update PHPDoc.
Restore the reference to this used exception class.
make sure to close the stream at the end of each test
Normalize lock exception messages.
don't ask for fileInfo if we already have one
name the storage wrapper to make sure that we don't apply the wrapper multiple times
fix unit test after adding the additional parameter to addStorageWrapper()
only lock if unlink is called for a file
Can't use assertInstanceOf on wrapped storage; use assertTrue(instanceOfStorage() instead.
Use ->instanceOfStorage() not instanceof for Storage instances.