Fix dumb percentage

lib/compile.js

@@ -330,8 +330,8 @@ Compile.prototype.checkSource = function (source) {
 };
 
 Compile.prototype.cacheStats = function () {
-    var pc = (100 * this.cacheHits) / (this.cacheMisses + this.cacheMisses);
-    console.log("Cache stats: " + this.cacheHits + " hits, " + this.cacheMisses + " misses (" + pc.toString(2) +
+    var pc = (100 * this.cacheHits) / (this.cacheMisses + this.cacheHits);
+    console.log("Cache stats: " + this.cacheHits + " hits, " + this.cacheMisses + " misses (" + pc.toFixed(2) +
         "%), LRU has " + this.cache.itemCount + " item(s) totalling " + this.cache.length + " bytes");
 };