add CLI info/version/conformance operations

[fmigneault]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 92.10526% with 3 lines in your changes missing coverage. Please review.

Project coverage is 87.42%. Comparing base (0a1c8bf) to head (7c4e188).
Report is 5 commits behind head on master.

Files with missing lines	Patch %	Lines
weaver/cli.py	92.10%	2 Missing and 1 partial ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #772   +/-   ##
=======================================
  Coverage   87.41%   87.42%           
=======================================
  Files          80       80           
  Lines       20741    20775   +34     
  Branches     2829     2830    +1     
=======================================
+ Hits        18131    18162   +31     
- Misses       1863     1865    +2     
- Partials      747      748    +1     

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