Changed realization syntax to collection (spaceship operator).
Merge pull request #18 from dieterdemeyer/master

Fix syntax error + added test for ownership of bin directory
Added requirement on User before creating ~/bin and fixed styling issues
Merge pull request #19 from fdammeke/master

Added requirement on User before creating ~/bin and fixed styling issues
Merge pull request #16 from willaerk/master

Changed realization syntax to collection (spaceship operator).