fix(build): BREAKING CHANGE: Required Angular >5

BREAKING CHANGE: It won't build correctly with v4+AOT. Only work in V5

#95

package.json

@@ -42,20 +42,20 @@
     "ngx-window-token": "0.0.4"
   },
   "peerDependencies": {
-    "@angular/core": ">=4.0.0",
-    "@angular/common": ">=4.0.0",
-    "@angular/platform-browser": ">=4.0.0",
+    "@angular/core": "5.x",
+    "@angular/common": "5.x",
+    "@angular/platform-browser": "5.x",
     "core-js": ">=2.4.1"
   },
   "devDependencies": {
-    "@angular/compiler": "^5.0.3",
-    "@angular/compiler-cli": "^5.0.3",
-    "@angular/core": "^5.0.3",
-    "@angular/common": "^5.0.3",
-    "@angular/platform-server": "^5.0.3",
-    "@angular/platform-browser": "^5.0.3",
-    "@angular/platform-browser-dynamic": "^5.0.3",
-    "@angular/forms": "^5.0.3",
+    "@angular/compiler": "^5.0.4",
+    "@angular/compiler-cli": "^5.0.4",
+    "@angular/core": "^5.0.4",
+    "@angular/common": "^5.0.4",
+    "@angular/platform-server": "^5.0.4",
+    "@angular/platform-browser": "^5.0.4",
+    "@angular/platform-browser-dynamic": "^5.0.4",
+    "@angular/forms": "^5.0.4",
     "@types/jasmine": "2.8.2",
     "@types/node": "8.0.53",
     "rxjs": "^5.5.2",
@@ -101,4 +101,4 @@
       "path": "./node_modules/cz-conventional-changelog"
     }
   }
-}
+}