created a test module for cases
added new funcionality for dolphins.erl
added dolphin3/0 to dolphins module.  Used to pass messages between processes
added kitchen module.  Used as an example of storing state
added fridge2 to kitchen.  This stores data in a list to pass between processes
added store/2 and take/2 in order to abstract away from accessing kitchen2 directly
added start/1 which handles starting a process
added timeout capabilities for take and store