Int128/UInt128 support #614

[DarkWanderer]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 37.50000% with 60 lines in your changes missing coverage. Please review.

Project coverage is 80.01%. Comparing base (3671b37) to head (64e4a37).
Report is 16 commits behind head on main.

Files with missing lines	Patch %	Lines
ClickHouse.Client/Numerics/ClickHouseInt128.cs	34.78%	58 Missing and 2 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #618      +/-   ##
==========================================
- Coverage   81.87%   80.01%   -1.86%     
==========================================
  Files         103      104       +1     
  Lines        2245     2337      +92     
  Branches      340      345       +5     
==========================================
+ Hits         1838     1870      +32     
- Misses        280      338      +58     
- Partials      127      129       +2     

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