Big fixes and few new funcitonnalities

What's Changed

• Make get_random_approval_profile deterministic by @mdbrnowski in #48
• Additive stable priceability by @WiktorGrzankowski in #50
• Fix name and meta fields in Ballots by @mdbrnowski in #51
• Add linear programs for core and Pareto optimality by @grzenow4 in #52

New Contributors

• @WiktorGrzankowski made their first contribution in #50
• @grzenow4 made their first contribution in #52

Full Changelog: v1.2.2...v1.2.3