0.12.0

What's Changed

Other Changes

• add methods to install and uninstall StockItems to/from others by @T0jan in #192
• Add Metadata by @miggland in #189
• Support updated label printing by @SchrodingersGat in #195
• Bump version number to 0.12.0 by @SchrodingersGat in #196

Full Changelog: 0.11.2...0.12.0