Fix(hopp): use basename in stat cache (fix #51)

[karimsa]

Relevant issues & PRs

See #51.

Notes

• Use of : in task names is now restricted.
• : is used to determine task nesting - basename is used as a unique key to create stat cache.

Checklist

• This affects the tests of the project.
• I have updated the tests as needed.

[codecov-io]

Codecov Report

Merging #56 into master will decrease coverage by 0.04%.
The diff coverage is 1.78%.

@@            Coverage Diff            @@
##           master     #56      +/-   ##
=========================================
- Coverage    7.65%   7.61%   -0.05%     
=========================================
  Files          61      61              
  Lines        2651    2679      +28     
=========================================
+ Hits          203     204       +1     
- Misses       2448    2475      +27

Impacted Files	Coverage Δ
packages/hopp/dist-legacy/tasks/steps.js	0% <0%> (ø)	⬆️
packages/hopp/dist/tasks/goal.js	0% <0%> (ø)	⬆️
packages/hopp/dist-legacy/tasks/parallel.js	0% <0%> (ø)	⬆️
packages/hopp/dist-legacy/tasks/goal.js	0% <0%> (ø)	⬆️
packages/hopp/dist/tasks/steps.js	0% <0%> (ø)	⬆️
packages/hopp/dist/tasks/parallel.js	0% <0%> (ø)	⬆️
packages/hopp/dist-legacy/fs/glob.js	0% <0%> (ø)	⬆️
packages/hopp/dist/fs/glob.js	96.05% <100%> (+0.05%)	⬆️

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