baselines to last two antennas don't seem to work

[o-smirnov]

Trying to select baselines to last two antennas (W05 and W06) throws errors. W04 is OK. The code is intended to treat W06-* and *-W06 as equivalent.

$ shadems msdir/4C12.03-610-cal.ms --field 3C48 -x BASELINE -y FREQ -a CORRECTED_DATA/MODEL_DATA:amp --ared std --baseline W06-* --cnum 64 --cmap pride --iter-corr --dir plots/
...
Traceback (most recent call last):
  File "/home/oms/.venv/sms/bin/shadems", line 7, in <module>
    exec(compile(f.read(), __file__, 'exec'))
  File "/home/oms/projects/shadeMS/bin/shadems", line 8, in <module>
    main.main([a for a in sys.argv[1:]])
  File "/home/oms/projects/shadeMS/shade_ms/main.py", line 525, in main
    minmax_cache=minmax_cache if options.xlim_load else None)
  File "/home/oms/projects/shadeMS/shade_ms/data_mappers.py", line 175, in register
    axis = cls.all_axes[key] = DataAxis(column, function, corr, ms, minmax, ncol, label, subset=subset)
  File "/home/oms/projects/shadeMS/shade_ms/data_mappers.py", line 252, in __init__
    remapper[index] = i
IndexError: index 522 is out of bounds for axis 0 with size 520