No owned creators

[liamhuber]

Creating from composite classes and instances is now equivalent. Here I also did some renaming, Composite.add/remove/replace to add/remove/replace_node.

Closes #115

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[github-actions]

👈 Launch a binder notebook on branch pyiron/pyiron_workflow/no_owned_creators

[codacy-production]

Coverage summary from Codacy

See diff coverage on Codacy

Coverage variation	Diff coverage
✅ -0.05% (target: -1.00%)	✅ 87.50%

Coverage variation details

	Coverable lines	Covered lines	Coverage
Common ancestor commit (3eed68e)	2196	1845	84.02%
Head commit (eea086d)	2158 (-38)	1812 (-33)	83.97% (-0.05%)

Coverage variation is the difference between the coverage for the head and common ancestor commits of the pull request branch: <coverage of head commit> - <coverage of common ancestor commit>

Diff coverage details

	Coverable lines	Covered lines	Diff coverage
Pull request (#121)	16	14	87.50%

Diff coverage is the percentage of lines that are covered by tests out of the coverable lines that the pull request added or modified: <covered lines added or modified>/<coverable lines added or modified> * 100%

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[coveralls]

Pull Request Test Coverage Report for Build 7133662387

• 19 of 19 (100.0%) changed or added relevant lines in 4 files are covered.
• 27 unchanged lines in 3 files lost coverage.
• Overall coverage decreased (-0.05%) to 89.257%

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Files with Coverage Reduction	New Missed Lines	%
meta.py	1	98.21%
workflow.py	2	85.37%
composite.py	24	87.61%

Totals
Change from base Build 7133243907:	-0.05%
Covered Lines:	3830
Relevant Lines:	4291

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💛 - Coveralls