Sachesi v1.9.1

Changelog:
New 'AppWorld' tab
Added checks to prevent silly mistakes.
Check if radio OR OS is null. Continue for whichever is not.
Add ability to search SDK releases in Version Lookup.
Fix a crash when there was nothing to download (OS or Radio already exists)
Use dynamic lookup for country and carrier instead of a hardcoded file.
Lookup and display carrier logo if available.
Fix a path issue on OSX.
Fix some naming issues with extraction from autoloaders.
Change reported version for OS/Radio to match installed apps.