[Development] Another integer typedef OR how to prepare for 64-bit in Qt 5

[André Pönitz]

On Thu, Nov 01, 2018 at 08:42:52PM -0700, Thiago Macieira wrote:
> What do we do?
> 
> Option 1: do nothing, wait for Qt 6 and do the change then
> Option 2: insert #if in our API, starting now
> Option 3: use #if per class, starting now
> Option 4: create a central #if and use this new type, starting now

Option 5: Leave as-is, also in Qt 6.

Known and bearable effort to handle the recurring 'why do you use
int?' threads.

No effort for existing users, which otherwise will face lots
of size mismatch warnings in their code.

Andre'