Fixing / Updating to total4

[frunjik]

• I redid the rewrite and tried to fix the errors / architecture (and learned a lot)
• It seems to work ...

But there is still an error when going to contact page:

spa.min@19.js:8 TypeError: self.evaluate is not a function
    at self.setter (<anonymous>:1:164)
    at A.setterX (spa.min@19.js:8:66494)
    at $n (spa.min@19.js:8:53849)
    at e (spa.min@19.js:8:52724)
    at e (spa.min@19.js:8:52730)
    at e (spa.min@19.js:8:52730)
    at e (spa.min@19.js:8:52730)
    at e (spa.min@19.js:8:52730)
    at e (spa.min@19.js:8:52730)
    at e (spa.min@19.js:8:52730)
spa.min@19.js:8 TypeError: self.evaluate is not a function
    at self.setter (<anonymous>:1:164)
    at A.setterX (spa.min@19.js:8:66494)
    at $n (spa.min@19.js:8:53849)
    at e (spa.min@19.js:8:52724)
    at e (spa.min@19.js:8:52730)
    at e (spa.min@19.js:8:52730)
    at e (spa.min@19.js:8:52730)
    at e (spa.min@19.js:8:52730)
    at e (spa.min@19.js:8:52730)
    at e (spa.min@19.js:8:52730)
```