fixed Play Store URLs
improved relational db layout; added quitting gracefully
crawl for existing categories
trying to get all apps of an category; get all 504 even if 504 != x*24 - it's tricky - is it worth that overhead?
trying to get all apps of an category; get all 504 even if 504 != x*24 - it's tricky - is it worth that overhead?
getting multiple categories
get free and paid apps of categories at once
Merge branch 'master' into myChanges