Merge pull request #45 from xwcg/christian

Christian
Merge pull request #57 from xwcg/christian

Christian
Merge pull request #59 from xwcg/christian

Schlafender Lotti
Added solution for slowly running on slopes.
Merge pull request #60 from xwcg/christian

Credits als Level + Sky
Merge pull request #76 from xwcg/master

merge