Updated README.md

Author: snelg

README.md

@@ -1 +1,26 @@
-# byu-jwt-php
+# JWT Decoding and Validation for BYU API
+
+Basic JWT Decoding and Validation for calls from BYU's API repository
+
+## Installing via composer
+
+Install into your project using [composer](http://getcomposer.org).
+For existing applications you can add the
+following to your composer.json file:
+
+    "require": {
+        "byu-oit/jwt": "~1.0"
+    }
+
+And run `php composer.phar update`
+
+## Usage
+
+The most common use case is simply decoding a JWT:
+```php
+try {
+    $decoded = BYUJWT::decode($jwt);
+} catch (Exception $e) {
+    //JWT was not valid, do something
+}
+```