update lodash dependencies

.eslintrc

@@ -0,0 +1,29 @@
+{
+    "env": {
+        "browser": true,
+        "commonjs": true,
+        "es2021": true,
+        "node": true,
+        "mocha": true
+    },
+    "extends": [
+        "airbnb-base"
+    ],
+    "parserOptions": {
+        "ecmaVersion": 12
+    },
+    "settings": {
+        "import/resolver": {
+            "node": {
+                "paths": [
+                    "src"
+                ]
+            }
+        }
+    },
+    "rules": {
+        "comma-dangle": 0,
+        "prefer-arrow-callback": 0,
+        "func-names": 0
+    }
+}

.travis.yml

@@ -1,7 +1,5 @@
 language: node_js
 node_js:
-  - "4.1"
-  - "4.0"
-  - "iojs"
+  - "12"
 before_script:
   - npm run release

README.md

@@ -22,7 +22,7 @@ __Table of Contents__
 
 ## Install
 
-- Requires node.js >= 4.x
+- Requires node.js >= 12.x
 
 Install mailgun.js with:
 
@@ -60,40 +60,52 @@ var mg = mailgun.client({username: 'api', key: process.env.MAILGUN_API_KEY || 'k
 ## Methods
 
 The following service methods are available to instantiated clients. The examples assume you have already created a mailgun client as `mg` with valid credentials.
-- [messages](#messages)
-  - [create](#create)
-- [domains](#domains)
-  - [list](#list)
-  - [get](#get)
-  - [create](#create-1)
-  - [destroy](#destroy)
-  - [getTracking](#gettracking)
-  - [updateTracking](#updatetracking)
-- [events](#events)
-  - [get](#get-1)
-- [stats](#stats)
-  - [getDomain](#getdomain)
-  - [getAccount](#getaccount)
-- [suppressions](#suppressions)
-  - [list](#list-1)
-  - [get](#get-2)
-  - [create](#create-2)
-- [webhooks](#webhooks)
-  - [list](#list-2)
-  - [get](#get-3)
-  - [create](#create-3)
-  - [update](#update)
-  - [destroy](#destroy-1)
-- [routes](#routes)
-  - [list](#list-3)
-  - [get](#get-4)
-  - [create](#create-4)
-  - [update](#update-1)
-  - [destroy](#destroy-2)
-- [validate](#validate)
-  - [get](#get-5)
-- [parse](#parse)
-  - [get](#get-6)
+- [Mailgun.js ![Build Status](https://travis-ci.org/mailgun/mailgun-js)](#mailgunjs-img-srchttpstravis-ciorgmailgunmailgun-jssvg-altbuild-status)
+- [Documentation](#documentation)
+  - [Install](#install)
+  - [Setup Client](#setup-client)
+  - [Methods](#methods)
+    - [messages](#messages)
+      - [create](#create)
+    - [domains](#domains)
+      - [list](#list)
+      - [get](#get)
+      - [create](#create-1)
+      - [destroy](#destroy)
+      - [getTracking](#gettracking)
+      - [updateTracking](#updatetracking)
+    - [events](#events)
+      - [get](#get-1)
+    - [stats](#stats)
+      - [getDomain](#getdomain)
+      - [getAccount](#getaccount)
+    - [suppressions](#suppressions)
+      - [list](#list-1)
+      - [get](#get-2)
+      - [create](#create-2)
+    - [webhooks](#webhooks)
+      - [list](#list-2)
+      - [get](#get-3)
+      - [create](#create-3)
+      - [update](#update)
+      - [destroy](#destroy-1)
+    - [routes](#routes)
+      - [list](#list-3)
+      - [get](#get-4)
+      - [create](#create-4)
+      - [update](#update-1)
+      - [destroy](#destroy-2)
+    - [validate](#validate)
+      - [get](#get-5)
+    - [parse](#parse)
+      - [get](#get-6)
+  - [Browser Demo](#browser-demo)
+- [Development](#development)
+  - [Requirements](#requirements)
+  - [Build](#build)
+  - [Tests](#tests)
+  - [Release Process](#release-process)
+  - [TODO](#todo)
 
 Method naming conventions:
 - `get` or `get{{Item}}` - expected response for client is a single object