(Fix) Update some node packages

package.json

@@ -5,25 +5,25 @@
   "homepage": "https://poanetwork.github.io/",
   "dependencies": {
     "autoprefixer": "7.1.6",
-    "babel-core": "6.26.0",
-    "babel-jest": "20.0.3",
-    "babel-loader": "7.1.2",
-    "babel-plugin-transform-decorators-legacy": "^1.3.4",
+    "babel-core": "^6.26.3",
+    "babel-jest": "^23.2.0",
+    "babel-loader": "^7.1.4",
+    "babel-plugin-transform-decorators-legacy": "^1.3.5",
     "babel-polyfill": "^6.26.0",
     "babel-preset-es2015": "^6.24.1",
     "babel-preset-react": "^6.24.1",
-    "babel-preset-react-app": "^3.1.0",
+    "babel-preset-react-app": "^3.1.2",
     "babel-preset-stage-1": "^6.24.1",
     "babel-runtime": "6.26.0",
-    "case-sensitive-paths-webpack-plugin": "2.1.1",
-    "chalk": "1.1.3",
-    "css-loader": "0.28.7",
+    "case-sensitive-paths-webpack-plugin": "^2.1.2",
+    "chalk": "^2.4.1",
+    "css-loader": "^0.28.11",
     "dotenv": "4.0.0",
     "eslint-loader": "1.9.0",
     "extract-text-webpack-plugin": "3.0.2",
     "file-loader": "1.1.5",
     "fs-extra": "3.0.1",
-    "gh-pages": "^1.1.0",
+    "gh-pages": "^1.2.0",
     "html-webpack-plugin": "2.29.0",
     "jest": "20.0.4",
     "mobx": "^3.4.1",
@@ -31,8 +31,8 @@
     "mobx-react-devtools": "^4.2.15",
     "mobx-react-router": "^4.0.1",
     "moment": "^2.20.1",
-    "node-sass-chokidar": "0.0.3",
-    "nodemon": "^1.14.12",
+    "node-sass-chokidar": "^1.3.0",
+    "nodemon": "^1.17.5",
     "npm-run-all": "^4.1.2",
     "object-assign": "4.1.1",
     "postcss-flexbugs-fixes": "3.2.0",
@@ -47,10 +47,10 @@
     "react-router-dom": "^4.2.2",
     "react-select": "^1.1.0",
     "style-loader": "0.19.0",
-    "sw-precache-webpack-plugin": "0.11.4",
+    "sw-precache-webpack-plugin": "^0.11.5",
     "sweetalert2": "^7.0.8",
     "url-loader": "0.6.2",
-    "web3": "^1.0.0-beta.26",
+    "web3": "^1.0.0-beta.34",
     "webpack": "3.8.1",
     "webpack-dev-server": "2.9.4",
     "webpack-manifest-plugin": "1.3.2",