Add tests for the stringology of vizitig

Closes #7 (closed)

Add 9 tests that should fail if the behavior of the stringology functions is modified. This MR also includes a small modification to the is_canonical function. So far it returns a strict equality, ie True or False, but we need a non-strict equality because the kmers can be similar in the case of a revcomp that is the same kmer is the size of the kmers%2==0 (which should not happend, but you never know what users do).

added testing label

assigned to @cpaperma

added 1 commit

• a5c83ec3 - ruffing and parametrizing test

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added 1 commit

• 72c1dee7 - add dockerfile for CI/CD

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added 1 commit

• a9dc681c - Improvement of the stringology tests

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mentioned in commit c7741197

merged