Misc fixes

[codecov[bot]]

Codecov Report

Patch coverage: 18.00% and project coverage change: -18.63 :warning:

Comparison is base (63dc196) 84.91% compared to head (011fc68) 66.28%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #190 +/- ## =========================================== - Coverage 84.91% 66.28% -18.63% =========================================== Files 28 28 Lines 2399 2426 +27 =========================================== - Hits 2037 1608 -429 - Misses 362 818 +456 ``` | [Impacted Files](https://app.codecov.io/gh/slimgroup/JUDI.jl/pull/190?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=slimgroup) | Coverage Δ | | |---|---|---| | [...imeModeling/Preconditioners/DataPreconditioners.jl](https://app.codecov.io/gh/slimgroup/JUDI.jl/pull/190?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=slimgroup#diff-c3JjL1RpbWVNb2RlbGluZy9QcmVjb25kaXRpb25lcnMvRGF0YVByZWNvbmRpdGlvbmVycy5qbA==) | `0.00% <0.00%> (-88.43%)` | :arrow_down: | | [src/TimeModeling/Preconditioners/base.jl](https://app.codecov.io/gh/slimgroup/JUDI.jl/pull/190?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=slimgroup#diff-c3JjL1RpbWVNb2RlbGluZy9QcmVjb25kaXRpb25lcnMvYmFzZS5qbA==) | `0.00% <0.00%> (-81.82%)` | :arrow_down: | | [src/TimeModeling/Types/GeometryStructure.jl](https://app.codecov.io/gh/slimgroup/JUDI.jl/pull/190?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=slimgroup#diff-c3JjL1RpbWVNb2RlbGluZy9UeXBlcy9HZW9tZXRyeVN0cnVjdHVyZS5qbA==) | `83.39% <0.00%> (-10.17%)` | :arrow_down: | | [src/JUDI.jl](https://app.codecov.io/gh/slimgroup/JUDI.jl/pull/190?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=slimgroup#diff-c3JjL0pVREkuamw=) | `81.13% <50.00%> (-1.23%)` | :arrow_down: | | [src/TimeModeling/Types/ModelStructure.jl](https://app.codecov.io/gh/slimgroup/JUDI.jl/pull/190?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=slimgroup#diff-c3JjL1RpbWVNb2RlbGluZy9UeXBlcy9Nb2RlbFN0cnVjdHVyZS5qbA==) | `81.55% <87.50%> (-0.49%)` | :arrow_down: | | [src/TimeModeling/Utils/auxiliaryFunctions.jl](https://app.codecov.io/gh/slimgroup/JUDI.jl/pull/190?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=slimgroup#diff-c3JjL1RpbWVNb2RlbGluZy9VdGlscy9hdXhpbGlhcnlGdW5jdGlvbnMuamw=) | `72.07% <100.00%> (-9.61%)` | :arrow_down: | ... and [13 files with indirect coverage changes](https://app.codecov.io/gh/slimgroup/JUDI.jl/pull/190/indirect-changes?src=pr&el=tree-more&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=slimgroup)

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