Fix wildcart (*) uses in SMILES

[FNTwin]

Changelogs

• Fixes for wildcard(*) from input smiles

Changelogs and explanation: see #32

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Checklist:

• Add tests to cover the fixed bug(s) or the new introduced feature(s) (if appropriate).
• Write concise and explanatory changelogs below.
• If possible, assign one of the following labels to the PR: feature, fix or test (or ask a maintainer to do it for you).

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[maclandrol]

I think this potentially introduce some other bugs, can you check the test ?

[FNTwin]

I think this potentially introduce some other bugs, can you check the test ?

I'll do some checks and request your review once I'm done

[maclandrol]

@FNTwin can you revisit this ?

[FNTwin]

will do during this weekend, lost track a bit on this