GSoC'20 progress : Phase I related - deprecated functions

[Ralf Habacker]

Am 21.08.20 um 12:28 schrieb Ralf Habacker:

> 3. There is a function existDatabase() to check the existance of the 
> database and there is now validSQLite(const std::string &filename).
> I suggest to rename that function to isValidDataBase() or similar to 
> follow the present naming scheme.
> 

  better to use isValidDatabase() with lower 'b' as used in existDatabase()

Regards
Ralf