Improving compiler.

scripts/util.js

@@ -0,0 +1,21 @@
+const arrayToString = arr => {
+  const b = arr.map(n => {
+    return '0x' + (n.toString(16).padStart(2, '0').toUpperCase());
+  });
+
+  let str = '';
+  for(let i = 0; i < b.length; i += 16) {
+    str += '  ';
+    for(let x = i; x < Math.min(i+16, b.length); x++) {
+      str += b[x];
+      str += ',';
+    }
+    str += '\n';
+  }
+
+  return str;
+}
+
+module.exports = {
+  arrayToString
+}