Fixed bug with infinite loop

package.json

@@ -1,6 +1,6 @@
 {
   "name": "radix-tree",
-  "version": "0.1.3",
+  "version": "0.1.4",
   "description": "Node.js version of a radix tree usable for routers or url path based storage.",
   "main": "index.js",
   "engines": {
@@ -22,6 +22,12 @@
   "bugs": {
     "url": "https://github.com/evangelion1204/radix-tree/issues"
   },
+  "keywords": [
+    "route",
+    "routes",
+    "radix-tree",
+    "radix"
+  ],
   "homepage": "https://github.com/evangelion1204/radix-tree#readme",
   "devDependencies": {
     "babel-cli": "^6.3.17",

src/tree.js

@@ -215,6 +215,8 @@ export class Tree {
                     continue node_loop
                 }
             }
+
+            break
         }
 
         return undefined

test/tree.js

@@ -127,6 +127,17 @@ describe('Tree', function() {
         expect(instance.find('/api/some/path')).to.deep.equal({path: '/api/*api_path', params: {api_path: 'some/path'}})
     })
 
+    it('non existing paths should return undefined', function () {
+        let instance = new Tree()
+
+        instance.add('/users')
+        instance.add('/mails')
+
+        expect(instance.find('/users')).to.deep.equal({path: '/users'})
+        expect(instance.find('/mails')).to.deep.equal({path: '/mails'})
+        expect(instance.find('/another/path')).to.not.be.ok
+    })
+
     it('an error should be thrown if the same static route is added twice', function () {
         let instance = new Tree()