Note directory listing commands in the transcript
Use KVO to handle operations starting too
Pull new state value out of change dictionary
Assert to make sure we're message delegate on right thread
Observe all operations
Optionally notify delegate when a deletion begins
Internally consolidate how operations and records are matched together
Extend removal API to allow completion handler
Only disable host check if requested
Correct runtime test for 10.7, not 10.6
The constants in question were introduced in 10.7, not 10.6, and we only support 10.6+ anyway! Maybe the check was intended to be purely a "greater than" op, but that would be buggy, and a 10.7 check seems neater to me anyway