bubble sort for int list
Capitalized signatures + fixed the problems with test case examples.
Code for quicksort
deleted bubblesort, quicksort compatible with SORT sig
Added quicksort-test. It's mergesort's exact copy.
ignore tem files from emacs, and .ds_store files from mac OS X
Merge in the quicksort additions, add tests, remove bad tests (quicksort is not, in fact, stable).