switched to caret versioning

package.json

@@ -16,25 +16,25 @@
  "node": ">=6.0.0"
  },
  "dependencies": {
- "async": "2.6.x",
- "body-parser": "1.18.x",
- "canvas": "2.4.x",
- "connect-redis": "3.4.x",
- "cookie-parser": "1.4.x",
- "express": "4.16.x",
- "express-session": "1.15.x",
- "forwarded-for": "1.0.x",
- "nodemailer": "6.0.x",
- "primus": "7.3.x",
- "primus-emitter": "3.1.x",
- "primus-rooms": "3.4.x",
- "pug": "2.0.x",
- "redis": "2.8.x",
- "serve-favicon": "2.5.x",
- "uglify-js": "3.5.x",
- "ws": "6.2.x"
+ "async": "^2.6.2",
+ "body-parser": "^1.18.3",
+ "canvas": "^2.4.1",
+ "connect-redis": "^3.4.1",
+ "cookie-parser": "^1.4.4",
+ "express": "^4.16.4",
+ "express-session": "^1.16.1",
+ "forwarded-for": "^1.0.1",
+ "nodemailer": "^6.1.0",
+ "primus": "^7.3.2",
+ "primus-emitter": "^3.1.1",
+ "primus-rooms": "^3.4.1",
+ "pug": "^2.0.3",
+ "redis": "^2.8.0",
+ "serve-favicon": "^2.5.0",
+ "uglify-js": "^3.5.4",
+ "ws": "^6.2.1"
  },
  "devDependencies": {
- "JSONStream": "1.3.x"
+ "JSONStream": "^1.3.5"
  }
 }