chore: Bumped dependency versions

.prettierrc.json

@@ -0,0 +1,4 @@
+{
+  "singleQuote": true,
+  "semi": true
+}

package.json

@@ -7,7 +7,7 @@
   "scripts": {
     "build": "tsc",
     "pub": "tsc && npm publish",
-    "test": "mocha --reporter spec --compilers ts:ts-node/register 'src/**/*.spec.ts'"
+    "test": "mocha --require ts-node/register 'src/**/*.spec.ts'"
   },
   "keywords": [
     "either",
@@ -26,12 +26,12 @@
   },
   "homepage": "https://github.com/joanllenas/ts.data.either#readme",
   "devDependencies": {
-    "@types/chai": "^4.1.4",
-    "@types/mocha": "^5.2.5",
-    "chai": "^4.1.2",
-    "mocha": "^5.2.0",
-    "prettier": "^1.14.3",
-    "ts-node": "^7.0.1",
-    "typescript": "^3.0.1"
+    "@types/chai": "^4.2.5",
+    "@types/mocha": "^5.2.7",
+    "chai": "^4.2.0",
+    "mocha": "^6.2.2",
+    "prettier": "^1.19.1",
+    "ts-node": "^8.5.2",
+    "typescript": "^3.7.2"
   }
 }

tsconfig.json

@@ -4,9 +4,8 @@
     "target": "es5",
     "declaration": true,
     "noImplicitAny": true,
-    "outDir": "./dist"
+    "outDir": "./dist",
+    "lib": ["es2015"]
   },
-  "include": [
-    "src/**/*"
-  ]
-}
+  "include": ["src/**/*"]
+}