Update cleaning and spellchecker functions

[ColinDaglish]

No description provided.

[codecov]

Codecov Report

Patch coverage: 77.62% and project coverage change: -0.24% ⚠️

Comparison is base (fe6d915) 80.21% compared to head (32c1ba3) 79.97%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #13      +/-   ##
==========================================
- Coverage   80.21%   79.97%   -0.24%     
==========================================
  Files          10       19       +9     
  Lines         470      774     +304     
==========================================
+ Hits          377      619     +242     
- Misses         93      155      +62     

Files Changed	Coverage Δ
src/modules/word_cloud.py	0.00% <0.00%> (ø)
src/run_pipeline.py	0.00% <0.00%> (ø)
src/modules/quality_checks.py	47.05% <35.71%> (-12.95%)	⬇️
src/modules/named_entity_recognition.py	37.50% <37.50%> (ø)
src/modules/topic_modelling.py	44.04% <44.04%> (ø)
tests/modules/test_named_entity_recognition.py	63.63% <63.63%> (ø)
src/modules/preprocessing.py	91.80% <64.28%> (+4.44%)	⬆️
src/modules/utils.py	72.22% <72.22%> (ø)
tests/modules/test_utils.py	76.74% <76.74%> (ø)
tests/modules/test_topic_modelling.py	82.41% <82.41%> (ø)
... and 8 more

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