Oan

delete function for AlignedString does not work properly

1

With the following unit test ([AlignedStringTest.java](https://github.com/dkpro/dkpro-core/blob/master/dkpro-core-api-transform-asl/src/test/java/org/dkpro/core/api/transform/alignment/AlignedStringTest.java)) ``` @Test public void testHtmlDelete() { ArrayList list = new ArrayList(); list.add(new ImmutableInterval(0, 3)); list.add(new ImmutableInterval(8, 11)); list.add(new ImmutableInterval(16, 20)); list.add(new ImmutableInterval(20, 24)); Collections.reverse(list);...