Modified ranged test to follow the Ranged contract correctly
#226 Modified mutableList test for deleteSpan to reflect the expected behaviour of Ranged.span
#226 Modified ArrayList.span and ArrayList.segment (and the delete methods) to follow the behaviour of Ranged.span
#226 Modified LinkedList.span and LinkedList.segment (and the delete methods) to follow the behaviour of Ranged.span
Merge pull request #228 from renatoathaydes/fix-lists-span

Fix lists span