v0.2.3

What's Changed

• Missing + sign in objective function by @aurelije in #146
• A PyPSA-based problem is not necessary linear. by @LucieRC in #148
• .cumsum for Variables and LinearExpression by @hblunck in #147
• expression: fix constant-constant multiplication by @FabianHofmann in #151

New Contributors

• @aurelije made their first contribution in #146
• @LucieRC made their first contribution in #148
• @hblunck made their first contribution in #147

Full Changelog: v0.2.2...v0.2.3