Updated travis file and completed readme

.travis.yml

@@ -1,24 +1,10 @@
 language: node_js
 node_js:
+  - "7"
   - "6"
   - "5"
   - "4"
-  - "0.12"
-  - "0.11"
-  - "0.10"
-env:
-  - CXX=g++-4.8
-addons:
-  apt:
-    sources:
-      - ubuntu-toolchain-r-test
-    packages:
-      - g++-4.8
 script:
   - npm test
 install:
   - npm install --dev
-before_install:
-  - "npm update -g npm"
-after_success:
-  - bash <(curl -s https://codecov.io/bash)

README.md

@@ -1,12 +1,61 @@
 # x2j-cli
 
-Node.js command line script to convert XML input into JSON output (can be piped easily)
+[![npm version](https://badge.fury.io/js/x2j-cli.svg)](http://badge.fury.io/js/x2j-cli)
+[![Build Status](https://travis-ci.org/lmammino/x2j-cli.svg?branch=master)](https://travis-ci.org/lmammino/x2j-cli)
+
+Node.js command line script to convert XML input into JSON output. It can be
+piped to a command printing XML to stdout to have it converted and pretty printed
+to JSON.
+
+
+## Example
+
+```bash
+curl -sS http://www.w3schools.com/xml/note.xml | x2j
+```
+
+Will print:
+
+```json
+{
+  "note": {
+    "to": [
+      "Tove"
+    ],
+    "from": [
+      "Jani"
+    ],
+    "heading": [
+      "Reminder"
+    ],
+    "body": [
+      "Don't forget me this weekend!"
+    ]
+  }
+}
+```
 
 
 ## Install
 
-It requires Node (0.12 or higher) and Npm (2 or higher):
+It requires Node (4.0.0 or higher) and Npm (2 or higher):
 
 ```bash
 npm install --global x2j-cli
 ```
+
+This is going to install globally the executable `x2j` which you can use to
+convert xml string from the standard input into formatted JSON into the standard
+output as shown in the example above.
+
+
+## Contributing
+
+Everyone is very welcome to contribute to this project.
+You can contribute just by submitting bugs or suggesting improvements by
+[opening an issue on GitHub](https://github.com/lmammino/x2j-cli/issues).
+
+
+## License
+
+Licensed under [MIT License](LICENSE). © Luciano Mammino.