Fix misinterpretation of cache size. Should prevent memory bloat (and thus GCC explorer website OOM issues)

app.js

@@ -33,7 +33,16 @@ var nopt = require('nopt'),
     path = require('path'),
     fs = require('fs-extra'),
     http = require('http'),
-    Promise = require('promise');
+    Promise = require('promise'),
+    memwatch = require('memwatch');
+
+memwatch.on('leak', function(info){
+    console.log("Memwatch leak: " + info);
+});
+
+memwatch.on('stats', function(stats){
+    console.log("Memwatch stats: " + info);
+});
 
 var opts = nopt({
     'env': [String],