Added ModuleEngines

Added ModuleEngines
Added get controlablePart.
Changed part.Name and added Part.ClassName.
Fixed version number error in testServer.
I looked at the [api from Squad](http://anatid.github.io/XML-Documentation-for-the-KSP-API/class_module_engines.html "Api from Squad"). They named it EngineModules, that's the main reason.