Version 1.1
Added FileMutex.TryLock(), which immediately returns ErrAlreadyLocked if the mutex is already locked (by this process or another process). This is different from FileMutex.Lock(), which blocks until the mutex can be acquired.
Added FileMutex.TryLock(), which immediately returns ErrAlreadyLocked if the mutex is already locked (by this process or another process). This is different from FileMutex.Lock(), which blocks until the mutex can be acquired.