try adding branch coverage

[AlexHaxe]

lets see what codecov makes of this format

[codecov-io]

Current coverage is 86.95%

Merging #213 into dev will decrease coverage by -4.09% as of 7dc02ae

@@              dev    #213   diff @@
=====================================
  Files          78      78       
  Stmts        6992    6992       
  Branches        0     286   +286
  Methods         0       0       
=====================================
- Hit          6366    6080   -286
- Partial         0     251   +251
- Missed        626     661    +35

Review entire Coverage Diff as of 7dc02ae

---

Uncovered Suggestions

1. +0.37% via .../TokenTreeBuilder.hx#1276...1301
2. +0.36% via .../TokenTreeBuilder.hx#1150...1174
3. +0.32% via .../TokenTreeBuilder.hx#995...1016
4. See 7 more...

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