Test

Barebone string conversion + bump version number #89

Job	Run time
Bench	2m 21s
Clippy	2m 14s
Check (ubuntu-latest)	1m 44s
Check (ubuntu-latest, --no-default-features)	1m 26s
Check (windows-latest)	3m 41s
Check (windows-latest, --no-default-features)	4m 51s
Check (macos-latest)	4m 41s
Check (macos-latest, --no-default-features)	3m 8s
Check (ubuntu-latest, --features optim-mip)	4m 58s
Check (ubuntu-latest, --features optim-sat)	2m 26s
	31m 30s

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