Merge pull request #11 from sumup/features/PRODSUPP-1178

Features/prodsupp 1178
version bump
Merge pull request #12 from sumup/releases/14.25

Releases/14.25
PRODSUPP-1228 Fix schema for CHF and PLN
PRODSUPP-1228 Refactor code
Merge pull request #13 from sumup/features/PRODSUPP-1228

Features/prodsupp 1228