Änderungen

Summary

1. removeWhen -> removeIf (details)
2. fix warnings (details)

Commit 7360c9e4e31ec12578e2633a81b4bcc4bad4515d by frotty removeWhen -> removeIf
	wurst/data/LinkedList.wurst (diff)
Commit 7caf958a23c7bf433afba4455f874e07a1919901 by frotty fix warnings
	wurst/data/LinkedListTests.wurst (diff)