Summer UROP 21 refactor

[ryaanahmed]

Opening this now to keep track of work that we're merging into this branch. We'll merge this PR around 6/3 after @kenalba and @erica02139 give their talk.

Contains:

• Move sword removal higher up in method calls #160
• SPIKE: Standardize architectural patterns #163
• Create analyzer interface (...again!) #167
• Refactor gender frequency module #169
• Refactor instance_distance into CorpusAnalyzer subclass GenderDistanceAnalyzer #168

[codecov-commenter]

Codecov Report

Merging #166 (4f4965c) into master (910b00c) will increase coverage by 7.92%. The diff coverage is 83.01%.

@@            Coverage Diff             @@
##           master     #166      +/-   ##
==========================================
+ Coverage   60.64%   68.56%   +7.92%     
==========================================
  Files          13       22       +9     
  Lines        1649     1791     +142     
  Branches      436      423      -13     
==========================================
+ Hits         1000     1228     +228     
+ Misses        575      471     -104     
- Partials       74       92      +18     

Impacted Files	Coverage Δ
gender_analysis/common.py	100.00% <ø> (ø)
gender_analysis/gender/pronouns.py	100.00% <ø> (ø)
gender_analysis/text/character.py	68.42% <33.33%> (ø)
gender_analysis/gender/common.py	39.70% <39.70%> (ø)
gender_analysis/analysis/base_analyzers.py	71.42% <71.42%> (ø)
gender_analysis/analysis/dunning.py	32.25% <86.66%> (+1.96%)	:arrow_up:
gender_analysis/analysis/frequency.py	88.27% <88.27%> (ø)
gender_analysis/analysis/proximity.py	85.26% <98.00%> (+6.62%)	:arrow_up:
gender_analysis/__init__.py	100.00% <100.00%> (ø)
gender_analysis/analysis/__init__.py	100.00% <100.00%> (ø)
... and 23 more

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[ryaanahmed]

Merging -- actions failing, but we know this all works.