fixed several bugs and commented,optimized the code

So today I decided to look through all of my code and look for ways to improve. In the end I made several fixes and I’am satisfied with how it ended up.

The reason I did this is because I wanna add many more features tommorow.

But yesterday I already noticed that its hard to look through the code and that there were so many issues. Also some on the performance side.

I believe that all errors are fixed for now.
Here a code snipet: