v0.4.3

Added:

• trec-fair-2021/eval topics
• clinicaltrials/2021/trec-ct-2021
• c4 and c4/en-noclean-tr/trec-misinfo-2021
• wikir/en78k and wikir/ens78k
• msmarco-passage-v2/trec-dl-2021 and msmarco-document-v2/trec-dl-2021
• mr-tydi
• mmarco

Misc:

• some minor changes to clean command
• msmarco-passage-v2 lookups now performed by ID instead of lz4
• file linking info not shown when downloading small files
• fixed cord19/fulltext
• other minor fixes