Z 3 z 5 hwěžkow pohódnoćeny

Wonderful, but PLEASE add a swap function, I like converting from SEK to PLN but then I need to convert from PLN to SEK which i have to go through the menus for both fields to swap which is very impractical.

Tute pohódnoćenje je za předchadnu wersiju přidatka (0.4.1.1-signed.1-signed).  Tutón wužiwar ma starše pohódnoćenje tutoho přidatka.