Fix: quality of life improvements

[codecov-commenter]

Codecov Report

Patch coverage: 71.87% and project coverage change: -0.16% :warning:

Comparison is base (5e59621) 69.30% compared to head (818b504) 69.15%.

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Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #162 +/- ## ========================================== - Coverage 69.30% 69.15% -0.16% ========================================== Files 66 66 Lines 2704 2707 +3 ========================================== - Hits 1874 1872 -2 - Misses 830 835 +5 ``` | [Files Changed](https://app.codecov.io/gh/astro-group-bristol/Gradus.jl/pull/162?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=astro-group-bristol) | Coverage Δ | | |---|---|---| | [src/Gradus.jl](https://app.codecov.io/gh/astro-group-bristol/Gradus.jl/pull/162?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=astro-group-bristol#diff-c3JjL0dyYWR1cy5qbA==) | `30.00% <ø> (ø)` | | | [src/corona/flux-calculations.jl](https://app.codecov.io/gh/astro-group-bristol/Gradus.jl/pull/162?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=astro-group-bristol#diff-c3JjL2Nvcm9uYS9mbHV4LWNhbGN1bGF0aW9ucy5qbA==) | `32.55% <0.00%> (ø)` | | | [src/geometry/discs.jl](https://app.codecov.io/gh/astro-group-bristol/Gradus.jl/pull/162?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=astro-group-bristol#diff-c3JjL2dlb21ldHJ5L2Rpc2NzLmps) | `4.54% <0.00%> (ø)` | | | [src/tracing/precision-solvers.jl](https://app.codecov.io/gh/astro-group-bristol/Gradus.jl/pull/162?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=astro-group-bristol#diff-c3JjL3RyYWNpbmcvcHJlY2lzaW9uLXNvbHZlcnMuamw=) | `68.04% <ø> (ø)` | | | [src/geometry/geometry.jl](https://app.codecov.io/gh/astro-group-bristol/Gradus.jl/pull/162?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=astro-group-bristol#diff-c3JjL2dlb21ldHJ5L2dlb21ldHJ5Lmps) | `45.71% <37.50%> (-3.52%)` | :arrow_down: | | [src/geometry/discs/thick-disc.jl](https://app.codecov.io/gh/astro-group-bristol/Gradus.jl/pull/162?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=astro-group-bristol#diff-c3JjL2dlb21ldHJ5L2Rpc2NzL3RoaWNrLWRpc2Muamw=) | `66.66% <66.66%> (-4.77%)` | :arrow_down: | | [src/geometry/discs/datum-plane.jl](https://app.codecov.io/gh/astro-group-bristol/Gradus.jl/pull/162?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=astro-group-bristol#diff-c3JjL2dlb21ldHJ5L2Rpc2NzL2RhdHVtLXBsYW5lLmps) | `63.63% <100.00%> (-3.04%)` | :arrow_down: | | [src/geometry/discs/shakura-sunyaev.jl](https://app.codecov.io/gh/astro-group-bristol/Gradus.jl/pull/162?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=astro-group-bristol#diff-c3JjL2dlb21ldHJ5L2Rpc2NzL3NoYWt1cmEtc3VueWFldi5qbA==) | `92.30% <100.00%> (-0.55%)` | :arrow_down: | | [src/geometry/discs/thin-disc.jl](https://app.codecov.io/gh/astro-group-bristol/Gradus.jl/pull/162?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=astro-group-bristol#diff-c3JjL2dlb21ldHJ5L2Rpc2NzL3RoaW4tZGlzYy5qbA==) | `84.61% <100.00%> (+1.28%)` | :arrow_up: | | [src/redshift.jl](https://app.codecov.io/gh/astro-group-bristol/Gradus.jl/pull/162?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=astro-group-bristol#diff-c3JjL3JlZHNoaWZ0Lmps) | `96.07% <100.00%> (-0.15%)` | :arrow_down: | | ... and [2 more](https://app.codecov.io/gh/astro-group-bristol/Gradus.jl/pull/162?src=pr&el=tree-more&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=astro-group-bristol) | | ... and [1 file with indirect coverage changes](https://app.codecov.io/gh/astro-group-bristol/Gradus.jl/pull/162/indirect-changes?src=pr&el=tree-more&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=astro-group-bristol)

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