Overhaul

Loads of changes, some which I wasn't sure what I was on when doing
them

lib/macros.lisp

@@ -124,3 +124,8 @@ sequentially via ->>"
 (defmacro alist-val (key alist)
   "Helper macro for getting the value of KEY in ALIST."
   `(cdr (assoc ,key ,alist)))
+
+(defmacro call-rev (func-name &rest arguments)
+  "Call a function with arguments but in reverse
+i.e. (call-rev f x1 x2 ... xn) => (f xn ... x2 x1)."
+  `(,func-name ,@(reverse arguments)))