Tag flexibility

[jgrewe]

companion to #801 but for master branch

[gicmo]

Now there are merge conflicts and the new DataFrameDimension is missing everywhere ;P

[codecov[bot]]

Codecov Report

Merging #805 into master will increase coverage by 0.05%. The diff coverage is 96.98%.

@@            Coverage Diff             @@
##           master     #805      +/-   ##
==========================================
+ Coverage   94.66%   94.71%   +0.05%     
==========================================
  Files         177      179       +2     
  Lines       12385    12540     +155     
==========================================
+ Hits        11724    11877     +153     
- Misses        661      663       +2     

Impacted Files	Coverage Δ
src/valid/checks.cpp	93.10% <90.90%> (-3.49%)	:arrow_down:
src/util/dataAccess.cpp	91.31% <93.10%> (+1.28%)	:arrow_up:
test/TestDataType.cpp	95.83% <95.83%> (ø)
include/nix/valid/checks.hpp	100.00% <100.00%> (ø)
src/valid/helper.cpp	100.00% <100.00%> (+8.33%)	:arrow_up:
src/valid/validate.cpp	76.84% <100.00%> (+1.61%)	:arrow_up:
test/BaseTestDataAccess.cpp	100.00% <100.00%> (ø)
test/Runner.cpp	100.00% <100.00%> (ø)
test/TestDataType.hpp	100.00% <100.00%> (ø)
test/TestValidate.cpp	98.15% <100.00%> (-0.10%)	:arrow_down:
... and 5 more

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[jgrewe]

@achilleas-k @gicmo, I guess I am done with it for now (if the checks pass)

[achilleas-k]

Is this good to go?

[gicmo]

Is this good to go?

I managed to review the code, and that is fine, I have not yet a chance to think through what it actually does. I try again tonight or will default to 'yes' ;)