Record query object in every TopHits object.

[althonos]

This PR fixes #76 by recording the original query object passed to the Pipeline, so that the attributes can still be accessed when processing queries.

[codecov]

Codecov Report

Attention: Patch coverage is 69.47368% with 29 lines in your changes missing coverage. Please review.

Project coverage is 79.27%. Comparing base (580f884) to head (41c377e).
Report is 17 commits behind head on master.

Files with missing lines	Patch %	Lines
pyhmmer/plan7.pyx	69.64%	17 Missing ⚠️
pyhmmer/daemon.pyx	0.00%	9 Missing ⚠️
pyhmmer/hmmer.py	88.88%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master      #78      +/-   ##
==========================================
+ Coverage   79.25%   79.27%   +0.02%     
==========================================
  Files           9        9              
  Lines        7250     7243       -7     
  Branches       17       17              
==========================================
- Hits         5746     5742       -4     
+ Misses       1490     1487       -3     
  Partials       14       14              

Flag	Coverage Δ
v3.10	79.27% <69.47%> (+0.02%)	⬆️
v3.11	79.27% <69.47%> (+0.02%)	⬆️
v3.12	79.27% <69.47%> (+0.02%)	⬆️
v3.7	79.24% <69.47%> (+0.02%)	⬆️
v3.8	79.27% <69.47%> (+0.02%)	⬆️
v3.9	79.27% <69.47%> (+0.02%)	⬆️

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