FunScript doesn't compile from HttpHandler while compiles the same .fsx script in a test. No idea why.
In the Tests.fs the test FunScript works works with F# code defined in the same file,
but the test Could compile script doesn't work with the same F# code in HelloWorld.fsx.
If it compiles, then it is very easy to use .fsx directly in Razor views with this IHttpHandler,
which compiles a .fsx file using FSharp.Compiler.Sevice and then generates JavaScript out of it.