Tox

convert calldataload and calldatasize tests #12

Job	Run time
Build html documentation with mkdocs	2m 25s
Run unit tests, ubuntu-latest, 3.10	6m 4s
Lint markdown files with markdownlint	3s
Lint python sources with ruff	9s
Run unit tests, macos-latest, 3.11	4m 19s
Run unit tests, ubuntu-latest, 3.12	5m 52s
Spellcheck sources with pyspelling	30s
Fill tests, deployed, ubuntu-latest, 3.11	5m 28s
Fill tests, deployed, macos-latest, 3.12	5m 10s
Typecheck python sources with mypy	27s
	30m 27s

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