added surefire plugin to pom
created initial structure for ArrayList
setting up testing suites and tests for ArrayList
setup unimplemented tests for ArrayListIterator
added back code for compilier plugin and initial tests for ArrayList.add
passing arrayListIteratorHasNext
ArrayListIteratorHasPrevious passing
added test for NoSuchElementException for ArrayList.iterator().next()
ArrayListIteratorNextPrevious now work correctly
fixed ArrayListIteratorPrev.prev()