v0.2.2

Builds on V0.2.1

Additional:

• Added 1:1 IFC:CityJSON conversion option as LoD4.0
• Added LoD3.2 Bool bypass (LoDe.1)
• Added Experimental LoD: c.1, c.2 and d.1
• Added voids to LoD0.3
• Removed voids from footprints
• Improved prism extrusion logic
• Improved access to LoD3.0 and 3.1
• Improved LoD3.2 surface splitting
• Improved attribute conversion
• Improved memory management

Issues to be addressed before release:

• Missing verts on complex shapes
• No support of curved edges and surfaces for LoD3.2