Description

Refactored specified functions in R/cleanup.R based on issue #7

Original	Modified	User Facing
clean_string	cleanString	✅
string2accnum	extractAccessionNumber	✅
make_accnums_unique	ensureUniqueAccessionNumbers	✅
cleanup_fasta_header	cleanUpFastaHeaders	✅
remove_empty	removeEmptyRows	✅
repeat2s	condenseRepeatedDomains	✅
replaceQMs	replaceQuestionMarks	✅
remove_astrk	removeAsterisks	✅
remove_tails	removeLowFrequencyEntries	✅
cleanup_species	cleanUpSpeciesColumn	✅
cleanup_clust	cleanUpClusterData	✅
cleanup_domarch	cleanUpDomainArchitecture	✅
cleanup_gencontext	cleanUpGenomicContextColumn	✅
cleanup_GeneDesc	cleanUpGeneDescription	✅
pick_longer_duplicate	selectLongestDuplicateRecord	✅
cleanup_lineage	cleanUpLineageData	✅

Fixes issue #38

What kind of change(s) are included?

[ ] Feature (adds or updates new capabilities)
[x] Bug fix (fixes an issue).
[ ] Enhancement (adds functionality).
[ ] Breaking change (these changes would cause existing functionality to not work as expected).

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[x] I have searched for existing content to ensure this is not a duplicate.
[x] I have performed a self-review of these additions (including spelling, grammar, and related).
[x] I have added comments to my code to help provide understanding.
[x] I have added a test which covers the code changes found within this PR.
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