rdf to-jelly: make sure name table has size >=8#97

Ostrzyciel merged 3 commits intomainJelly-RDF/cli:mainfrom

86-zero-sized-name-table-is-allowed-for-a-producerJelly-RDF/cli:86-zero-sized-name-table-is-allowed-for-a-producerCopy head branch name to clipboard