Allow using multiple eav filters in QuerySet

[Dresdn]

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Checklist

• I have double checked that there are no unrelated changes in this pull request (old patches, accidental config files, etc.)
• I have created at least one test case for the changes I have made
• I have updated the documentation for the changes I have made
• I have added my changes to the CHANGELOG.md

Pull Request type

Please check the type of change your PR introduces:

• Bugfix
• Feature
• Code style update (formatting, renaming)
• Refactoring (no functional changes, no api changes)
• Build related changes
• Documentation content changes
• Other (please describe):

Related issue(s)

Closes #395

Other Information

Credit to @dasith2190

[codecov]

Codecov Report

Merging #414 (3cdb6bf) into master (ec957dc) will increase coverage by 0.53%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master     #414      +/-   ##
==========================================
+ Coverage   89.33%   89.87%   +0.53%     
==========================================
  Files          23       23              
  Lines         769      770       +1     
  Branches      106      106              
==========================================
+ Hits          687      692       +5     
+ Misses         58       56       -2     
+ Partials       24       22       -2     

Files Changed	Coverage Δ
eav/queryset.py	93.10% <100.00%> (+1.79%)	⬆️

... and 1 file with indirect coverage changes

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