Week 2 & 3 commits

[Ralf Habacker]

Am 02.07.20 um 22:54 schrieb Ralf Habacker:
> Added method bool AccountNumberCheck::existDatabase(const std::string
> &dbname)
>
> This commit contains unrelated space fixes, which should be moved into a
> separate commit.

I added a related "removing trailing space" commit to master branch. You
can rebase your branch on upstream master to get this changes merged
into your branch by using

git fetch origin
git rebase origin/master

Regards

Ralf