delete cruft files
remove _.bind, _.bindAll, _.partial, _.memoize, _.delay, _.defer
remove _.throttle
put back _.delay
remove _.shuffle, _.sample, _.wrap. unfortunately also have to remove _.once which the others depend on. tests pass again.
remove _.compose
remove _.partition
remove _.size
Merge branch 'mini'. WIP / thought experiment to see if this is a good idea. (Thinking not so much, b/c had to drop `_.once`)