Correctly decode tszip cols

[benjeffery]

Fixes #190
Fixed other odd columns too and added tests for all columns.

[github-actions]

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edges.png

mutations-popup.png

mutations.png

nodes.png

out_edges.png

out_mutations.png

out_nodes.png

overview.png

tables.png

trees.png

[coveralls]

Pull Request Test Coverage Report for Build 11497469628

Details

• 14 of 14 (100.0%) changed or added relevant lines in 1 file are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.08%) to 90.369%

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Totals
Change from base Build 11486973043:	0.08%
Covered Lines:	760
Relevant Lines:	841

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💛 - Coveralls

[jeromekelleher]

I don't understand why we need to do this tbh - shouldn't we let tszip handle this? If we do

ts = tszip.load(tsbrowse_path)
root = zarr.open(tsbrowse_path)
# e.g.
edges_df = {
     "left": ts.edges_left,
     "right": ts.edges_right, 
      ...
     "extra_col_1": root["edges"]["extra_col_1"]
 } 

then we let tszip deal with these details, and we don't become depending on an implementation detail of tszip?

[jeromekelleher]

Minor perf issue

[jeromekelleher]

That's generating a fresh copy of the tables each time. Get a reference to the tables before the loop body

[benjeffery]

Fixed!