Implement: Aufgabe 1.1
Implement: Aufgabe 1.2
Implement: Aufgabe 1.3
Implement: Aufgabe 1.4
added empty README.md and .gitignore ignoring osx related files
added solutions for exercises 1-3
added simple answers for exercise 4
fixed quotation markup
Implement: Aufgabe 1.5 (untested)
Document first event in readme
Use right ports in 1.5
Shift-register wants lsb first