updating dev deps

package.json

@@ -1,6 +1,6 @@
 {
   "name": "connection-string",
-  "version": "3.1.0",
+  "version": "3.1.1",
   "description": "Advanced URL Connection String parser + generator.",
   "main": "dist/index.js",
   "types": "dist/index.d.ts",
@@ -39,16 +39,16 @@
     "npm": ">=2.15"
   },
   "devDependencies": {
-    "@types/chai": "4.2.5",
-    "@types/mocha": "5.2.7",
-    "@types/node": "12.12.8",
+    "@types/chai": "4.2.8",
+    "@types/mocha": "7.0.1",
+    "@types/node": "13.7.0",
     "chai": "4.2.0",
-    "coveralls": "3.0.7",
-    "mocha": "6.2.2",
+    "coveralls": "3.0.9",
+    "mocha": "7.0.1",
     "mocha-lcov-reporter": "1.3.0",
-    "nyc": "14.1.1",
-    "ts-node": "8.5.2",
-    "tslint": "5.20.1",
-    "typescript": "3.7.2"
+    "nyc": "15.0.0",
+    "ts-node": "8.6.2",
+    "tslint": "6.0.0",
+    "typescript": "3.7.5"
   }
 }