1.8.0

• Added switch/case statements
• Added subscripting support for objects and tuples
• Added object constructor command
• Objects can now be cast to/from memberwise types
• Added light.shadow property
• The opacity property can now be set to a texture
• Textures now use nearest-neighbor filtering for upscaling instead of linear
• Added normals command for setting surface normals with a texture
• Added roughness and metallicity properties for physically based rendering (PBR)
• Added material command for setting all material properties at once
• Combined Material.color and texture properties into single property internally
• The Material.isOpaque property is now correctly computed when using a texture
• Added text.string, font, color and linespacing members
• You can now use import statements in expressions
• Object values are now correctly unwrapped
• Removed some deprecated methods