While all of this is pretty cool, i’d like to point out something:
There already exists a scripting solution for UE4 which is pretty great : Haxe
Unreal.hx : GitHub - proletariatgames/unreal.hx: Unreal.hx: Haxe Integration for Unreal (This was even given a dev-grant by Epic)
Why is it good?
-Haxe is staticly typed and has lots of great features
-Pleasant syntax to work with, fast compiler
-Open source
-Compiles to C++ so you get the full benefit of C++ speed.
-Can map almost all of the UE4 C++ api
-Works great with blueprints
-Has a virtual machine for rapid development and live reloading - but still will compile to static for releases
-Lots of libs that can be used from other Haxe projects
Now - what it needs to be even better is :
-Better examples, documentation and tutorials
-Even tighter integration with the build tools
-To be wrapped up nicely in a easy plugin (maybe in the marketplace)
-Official support 