Added Courses, Schedules, id's, URL get support
Merge branch 'master' of github.com:ZolnaiDani/OpenOnderwijsAPI-java
Update README.md
Added Courses, Schedules, ids, URL get support#2
Minor style fixes
Fixed a comment.
Fixed date conversions, schedule examples

If the milliseconds value is 000 then it is not displayed.
Merge pull request #4 from ZolnaiDani/master

Added Courses, Schedules, ids, URL get support