Application structure rewrite

-Rewrote the application structure, making all the functions static
members of an "Application" class. The main() function accesses them all
statically.
-Cleaned up some formatting on the outputs of my queries
-Cleaned up the menu function
-Added two optional requirements. One gives a breakdown of restaurant
cuisines, one lists restaurants by cuisine type. The latter is buggy --
I can't get it to display the restaurant name, only the placeID.