Add support for BIT|BYTE option

[dvora-h]

Pull Request check-list

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• Does $ tox pass with this change (including linting)?
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• Is the new or changed code fully tested?
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Description of change

closes #1965 closes #1967

[codecov-commenter]

Codecov Report

Merging #2068 (f68a844) into master (876cafc) will decrease coverage by 0.07%.
The diff coverage is 30.00%.

@@            Coverage Diff             @@
##           master    #2068      +/-   ##
==========================================
- Coverage   91.23%   91.16%   -0.08%     
==========================================
  Files         100      100              
  Lines       21361    21381      +20     
==========================================
+ Hits        19489    19492       +3     
- Misses       1872     1889      +17     

Impacted Files	Coverage Δ
tests/test_commands.py	94.25% <25.00%> (-0.37%)	⬇️
redis/commands/core.py	82.85% <50.00%> (-0.08%)	⬇️
redis/asyncio/client.py	90.45% <0.00%> (-0.18%)	⬇️
tests/test_cluster.py	97.42% <0.00%> (-0.13%)	⬇️

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