Module: call constructor via `new thistype()`

Add the possibility to call the constructor of the underlying class of a module using `new thistype()`.
Example:

```
module MyModule
    static function getNew() returns thistype
        return new thistype()

class MyClass
    use MyModule

init
    MyClass obj = MyClass.getNew()
```

Please dont ask what i need this for, its complicated :/
