Fix product widget cache
Merge pull request #20 from seosamba/fix/widget-cache

Fix product widget cache
Fix export shopping data
Fix finance calculator
Fix currency exchange order
Merge pull request #21 from seosamba/fix/currency-converter

Fix/currency converter
Add cache for exchange rate
Fix some typos
Merge pull request #22 from seosamba/fix/cache-for-exchange-rates

Fix/cache for exchange rates
Update "Add/edit product" screen with latest changes
Merge branch 'develop' into feature/homedelivery