👌 IMPROVE: Make SyntaxTreeNode subclassable

[hukkin]

Realized I can not subclass and add methods to the tree class, because it always instantiates the base class. This fixes it

[codecov]

Codecov Report

Merging #130 (124da6c) into master (888636c) will not change coverage.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master     #130   +/-   ##
=======================================
  Coverage   96.19%   96.19%           
=======================================
  Files          72       72           
  Lines        3104     3104           
=======================================
  Hits         2986     2986           
  Misses        118      118           

Flag	Coverage Δ
pytests	96.19% <100.00%> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
markdown_it/tree.py	91.66% <100.00%> (ø)

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 888636c...124da6c. Read the comment docs.

[chrisjsewell]

👍