Remove Todo

It says Ganzzahlen, but Ganze Zahlen is completely correct too.
Merge pull request #34 from bimmlerd/patch-2

Remove Todo
Update Chapter_2.tex

obere Schranke should be untere Schranke
Merge pull request #35 from dbimmler/patch-1

Update Chapter_2.tex
removing repeated package
Fix Issue 36

https://github.com/pennatil/Analysis-Notes/issues/36
Merge pull request #37 from bimmlerd/patch-2

Fix Issue 36
Quick fix chapter 9
Added drawings to chapter 9
Generated New PDFs
Correct definition 2.17

Seems to be wrong in the handwritten script too.