Version 2

[jwoLondon]

Major update to elm-vega 2.0.

Main changes:

In response to Vega-Lite 3.1:

• geo functionality - (map projections, geoshapes, geoJSON, topoJson, geoFeature, Latitude and Longitude position channels) Geo #35
• conditional mark properties Support new test predicate #36
• autosize config Add autosize options to config #31
• hyperlink channel Support new Hyperlink channel #37
• cursor customisation Support for new Cursor mark property #38

other changes:

• Improvements to relational joins with lookup and lookupAs
• combineSpecs Add convenience function to convert list of specs into a spec #29
• Axis date customisation AxValues should be able to take list of DateTime objects #27
• API convenience types: Data
• Programmatic generation of geoJSON objects
• Compose boolean operations for selection expressions