StructureMap 4.0 came out earlier this month, thanks to the continuing work of Jeremy Miller.  It’s a Big Deal since it supports .NET Core and ASP.NET 5 (among other things), but unfortunately a few things moved around, and Heroic.Web.IoC was broken (your StructureMap-related code was probably broken, too).  Fortunately, the fixes are easy, and Heroic.Web.IoC…