Generic refactoring

This release refactors the generic methods. Now they all work as expected.

Important:
before, you would call deserialize<MyType>(jsonArray); to de/serialize json arrays, aka QList types. This has changed. Now, you always specify the full type, i.e. deserialize<QList<MyType>>(jsonArray); This change does not affect already compiled applications, but if you try to compile with this version, you will have to adjust those calls.

Sorry for the inconvenience, but this was a neccessary step.