package: use cb-helloblock 0.4.13

Author: dcousens

package.json

@@ -54,7 +54,7 @@
     "async": "^0.9.0",
     "browserify": "^9.0.3",
     "bs58": "^2.0.1",
-    "cb-helloblock": "^0.4.10",
+    "cb-helloblock": "^0.4.13",
     "coveralls": "^2.11.2",
     "istanbul": "^0.3.5",
     "mocha": "^2.2.0",