fix issue https://github.com/pknoe3lh/cncgcodecontroller/issues/6

=> fix typos
-Fix a lot of typos inside general messages.

-Add some spacing between operators and signs to make the code more readable.
-Rename a few variables due to typos.
-Rename some variables in Camel case for a faster reading of the code.
-Add lots of brackets for if and for clauses again to avoid possible mistakes when reading the code quickly.
First draft (not working yet) of settings panel update.
Merge pull request #16 from Nutz95/master

fix issue https://github.com/pknoe3lh/cncgcodecontroller/issues/6 Thanks to Nutz95