QRandomGenerator was introduced in 5.10 and qrand has since been
deprecated. QRandomGenerator::global() returns a global instance that
has been securely seeded. QRandomGenerator provides methods that
generate values within ranges, so taking a modulus of the result isn't
necessary.
workerpool.h utilizes the MAC-specific USE_BUNDLE option, but the file
didn't directly include the config header file. Cleanup change 341dc73
reordered some headers, so it was no longer included as a side-effect
either.
* Make TagReaderClient a singleton until it's easier to pass dependencies around
* Add a WaitForSignal() that uses a local event loop to wait for a signal to be emitted
* Add a WaitForFinished() to _MessageReplyBase that blocks using a semaphore
* Add blocking versions of all TagReaderClient methods
* Use the TagReaderClient everywhere that Song::InitFromFile and friends were used before