Include new equality rules for floats.

src/koans/equalities.clj

@@ -6,4 +6,13 @@
   (= __ (+ 1 1))
 
   "You can test equality of many things"
-  (= (+ 3 4) __ (+ 2 __)))
+  (= (+ 3 4) __ (+ 2 __))
+
+  "Some things may appear different, but be the same"
+  (= 2 2/1 __)
+
+  "You cannot generally float to heavens of integers"
+  (= __ (= 2 2.0))
+
+  "But a looser equality is also possible"
+  (== 2.0 2 __))

src/path_to_answer_sheet.clj

@@ -7,7 +7,10 @@
   {"equalities" {"__" [true
                        2
                        7
-                       5]}
+                       5
+                       4/2
+                       false
+                       6/3]}
    "lists" {"__" ["1 2 3 4 5"
                   1
                   [2 3 4 5]