CRAN version
fix
- remove various unreliable provider (OpenStreetMap.MapnikBW, HikeBike,
Wikimedia, OpenStreetMap.NoLabels...) - update openstreetmap provider url (#23)
- update stamen provider to stadia (#24)
- fix forceDownload mechanism (force replace *.tif files)
feat
- new function create_provider() to create provider
- use a better mechanism for apikey