Hello, I'm using Kotlin 1.2.71-release-IJ2018.2-1, IntellJ 2018.2.4 #IC-182.4505.22, with a Javascript project without Gradle, and I always get an error with the serialization plugin for IntelliJ when trying to compile my project. The direct link to the Latest release (1.2.70) in the github readme.md "doesn't work" and I tried installing different versions, 6.2, 6.1... but all of them are failing.