parallel compiling; no more var hoisting; audit reports function hoisting

tests/suite.cm

@@ -456,11 +456,12 @@ return {
     },
 
     test_mutual_recursion: function() {
+        var isOdd = null
         var isEven = function(n) {
             if (n == 0) return true
             return isOdd(n - 1)
         }
-        var isOdd = function(n) {
+        isOdd = function(n) {
             if (n == 0) return false
             return isEven(n - 1)
         }