support for new BlockStates format comming with 20w17a
support for new BlockStates format comming with 20w17a

fixes #217

EtlamGit/minutor,EtlamGit/minutor,mrkite/minutor,EtlamGit/minutor,mrkite/minutor,mrkite/minutor,EtlamGit/minutor,mrkite/minutor,mrkite/minutor,EtlamGit/minutor