fix: throw Exception on all 4xx and 5xx status codes#418

dargmuesli merged 2 commits intospotify-web-api-java:masterspotify-web-api-java/spotify-web-api-java:masterfrom

julius-d:handleAll4xxAnd5xxStatusCodesjulius-d/spotify-web-api-java:handleAll4xxAnd5xxStatusCodesCopy head branch name to clipboard