Functions and other fun stuff.
	new file:   arfupt.cpp
	new file:   arrfunc.cpp
	new file:   arrobj.cpp
	new file:   euler1.cpp
	new file:   firstref.cpp
	new file:   fun_ptr.cpp
	new file:   inline.cpp
	new file:   rand.cpp
	new file:   recur.cpp
	new file:   ruler.cpp
	new file:   secref.cpp
	modified:   strctfun.cpp
	modified:   strgback.cpp
	modified:   strgfun.cpp
	new file:   swaps.cpp
	modified:   test.cpp
	modified:   topfive.cpp
	modified:   travel.cpp