Version 5.4.1: Implemented a V8 debug agent to compensate for removed V8 API, V8Update now fetches V8 source and dependencies from Git repositories, fixed V8 assembly unloading and patched V8 to tolerate redundant initialization (Issue #60), added ScriptEngine.EnableAutoHostVariables, fixed by-reference arguments to VBScript functions (Issue #58), removed support for Visual Studio 2012 (V8 build now requires at least Visual Studio 2013), added explicit loading of primary interop assemblies to fix Issue #68, added host exception marshaling for V8, fixed V8ScriptEngine crash when script code calls the HostObject constructor, fixed host item caching for host variables, added non-generic overloads of newArr() and func() to HostFunctions, added ScriptEngine.Current, HostFunctions instances can now be exposed in multiple script engines, added a GetDynamicMemberNames() override to MetaScriptItem (Issue #64), fixed indexed property binding ambiguity for inherited interfaces (Issue #69), added tests for bug fixes and new APIs. Tested with V8 3.30.33.16.