Build #6:   remove listenandserve method, no use for it on branch master almost 9 years ago

Build #13:   finish heap insert and pop on branch master about 9 years ago

Build #11:   json-api-ify purchase names and categories on branch master about 9 years ago

Build #19:   deal method done and initial tests complete on branch master over 9 years ago

Build #12:   added swp to gitignore on branch master about 9 years ago