update version and readme

[RexWzh]

需补充 finetune 和 autoresponse 的案例。

[codecov]

Codecov Report

Attention: 2 lines in your changes are missing coverage. Please review.

Comparison is base (8643639) 84.35% compared to head (c01b969) 87.28%.

Additional details and impacted files

@@            Coverage Diff             @@
##           master      #56      +/-   ##
==========================================
+ Coverage   84.35%   87.28%   +2.92%     
==========================================
  Files          11       11              
  Lines         812      818       +6     
==========================================
+ Hits          685      714      +29     
+ Misses        127      104      -23     

Flag	Coverage Δ
unittests	87.28% <88.23%> (+2.92%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files	Coverage Δ
chattool/__init__.py	91.37% <100.00%> (+2.09%)	⬆️
chattool/chattool.py	90.28% <100.00%> (+2.83%)	⬆️
chattool/proxy.py	100.00% <100.00%> (+25.92%)	⬆️
chattool/functioncall.py	95.65% <81.81%> (-4.35%)	⬇️

... and 4 files with indirect coverage changes

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