fix DEBUG=json-rules-engine in browsers

Author: Cache Hamm

src/debug.js

@@ -1,5 +1,6 @@
 export default function debug (message) {
- if (typeof process !== 'undefined' && process.env && process.env.DEBUG && process.env.DEBUG.match(/json-rules-engine/)) {
+ if ((typeof process !== 'undefined' && process.env && process.env.DEBUG && process.env.DEBUG.match(/json-rules-engine/)) ||
+ (typeof window !== 'undefined' && window.localStorage && window.localStorage.debug && window.localStorage.debug.match(/json-rules-engine/))) {
  console.log(message)
  }
 }