Handle line ranges for StringChunker

[Davidyz]

Fix #146
Prerequisite of #168

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 99.28%. Comparing base (9d742b5) to head (fc24ff7).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #174   +/-   ##
=======================================
  Coverage   99.27%   99.28%           
=======================================
  Files          22       22           
  Lines        1523     1534   +11     
=======================================
+ Hits         1512     1523   +11     
  Misses         11       11           

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