v0.4.0-RC02 - CLI and Evaluator fixes/enhancements

[DamianReeves]

What's Changed

• Fix typo in mainClass for coursier-channel.json, plus add install ins… by @DamianReeves in Fix typo in mainClass for coursier-channel.json, plus add install ins… #394
• Updating coursier channels by @DamianReeves in Updating coursier channels #395
• Use MInt in Result.Int and remove Result.Primitive.Long by @deusaquilus in Use MInt in Result.Int and remove Result.Primitive.Long #397
• Elm test cleanup by @edwardpeters in Elm test cleanup #396
• Add elm test support and docs on insiders builds by @DamianReeves in Add elm test support and docs on insiders builds #398

Full Changelog: v0.4.0-RC01...v0.4.0-RC02

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This discussion was created from the release v0.4.0-RC02 - CLI and Evaluator fixes/enhancements.