Codestyle cubes.jl

[Sonicious]

Changed some small portions in codestyling for better readability for new users of YAXArrays.
Todo:

• move Axes submodule into full sibling module
• Discussion: Should subsetting/slicing an own file or even an own submodule?

[coveralls]

Pull Request Test Coverage Report for Build 2395395636

• 19 of 19 (100.0%) changed or added relevant lines in 1 file are covered.
• 1 unchanged line in 1 file lost coverage.
• Overall coverage decreased (-0.02%) to 73.36%

---

Files with Coverage Reduction	New Missed Lines	%
src/Cubes/Cubes.jl	1	91.11%

Totals
Change from base Build 2372343527:	-0.02%
Covered Lines:	1118
Relevant Lines:	1524

---

💛 - Coveralls

[codecov]

Codecov Report

Merging #143 (6e47a45) into master (53c8d8a) will decrease coverage by 0.01%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master     #143      +/-   ##
==========================================
- Coverage   73.37%   73.35%   -0.02%     
==========================================
  Files          12       12              
  Lines        1525     1524       -1     
==========================================
- Hits         1119     1118       -1     
  Misses        406      406              

Impacted Files	Coverage Δ
src/Cubes/Cubes.jl	91.11% <100.00%> (-0.07%)	⬇️

---

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[coveralls]

Pull Request Test Coverage Report for Build 2395395636

Warning: This coverage report may be inaccurate.

This pull request's base commit is no longer the HEAD commit of its target branch. This means it includes changes from outside the original pull request, including, potentially, unrelated coverage changes.

• For more information on this, see Tracking coverage changes with pull request builds.
• To avoid this issue with future PRs, see these Recommended CI Configurations.
• For a quick fix, rebase this PR at GitHub. Your next report should be accurate.

Details

• 19 of 19 (100.0%) changed or added relevant lines in 1 file are covered.
• 1 unchanged line in 1 file lost coverage.
• Overall coverage decreased (-0.02%) to 73.36%

---

Files with Coverage Reduction	New Missed Lines	%
src/Cubes/Cubes.jl	1	91.11%

Totals
Change from base Build 2372343527:	-0.02%
Covered Lines:	1118
Relevant Lines:	1524

---

💛 - Coveralls