Test CTCMatcher using standard test cases

[msschwartz21]

Branch based on #173

Proposed Change

• Use example segmentation tests cases for testing the ctc matcher
• Refactor the matcher to have a stand alone function that does the core matching of two frames (for easier testing)

Types of Changes

What types of changes does your code introduce? Delete those that do not apply.

• New feature or enhancement
• Tests and benchmarks

Which topics does your change affect? Delete those that do not apply.

• Matchers

Checklist

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• I have read the developer/contributing docs.
• I have added tests that prove that my feature works in various situations or tests the bugfix (if appropriate).
• I have checked that I maintained or improved code coverage.
• I have checked the benchmarking action to verify that my changes did not adversely affect performance.
• I have written docstrings and checked that they render correctly in the Read The Docs build (created after the PR is opened).
• I have updated the general documentation including Metric descriptions and example notebooks if necessary.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 92.81%. Comparing base (cb65542) to head (4976e09).
Report is 5 commits behind head on iou-tests.

Additional details and impacted files

@@              Coverage Diff              @@
##           iou-tests     #174      +/-   ##
=============================================
+ Coverage      92.37%   92.81%   +0.43%     
=============================================
  Files             19       19              
  Lines            879      877       -2     
=============================================
+ Hits             812      814       +2     
+ Misses            67       63       -4     

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[DragaDoncila]

LGTM! Thanks @msschwartz21 ☺️