Pick the max when there are many indices for a key.

[frostming]

The test case demonstrates how it fails when appending a table.

[codecov-io]

Codecov Report

Merging #34 into master will increase coverage by 0.1%.
The diff coverage is 100%.

@@            Coverage Diff            @@
##           master      #34     +/-   ##
=========================================
+ Coverage   91.95%   92.05%   +0.1%     
=========================================
  Files          10       10             
  Lines        2038     2040      +2     
=========================================
+ Hits         1874     1878      +4     
+ Misses        164      162      -2

Impacted Files	Coverage Δ
tomlkit/container.py	87.5% <100%> (+0.06%)	⬆️
tomlkit/parser.py	96.26% <0%> (+0.31%)	⬆️

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[sdispater]

Thanks!

I will try to make a bugfix release as soon as possible.