Add apigen/apigen to the dev requirements

README.md

@@ -39,11 +39,11 @@ Much inspiration for this library came from the [Java][javauuid] and
 
 The [latest class API documentation][apidocs] is available online. This project
 uses [ApiGen](http://apigen.org/) to generate this documentation. To
-generate the documentation on your own, install ApiGen and run the following command
-from the root of the project:
+generate the documentation on your own, install dev dependencies and run the
+following command from the root of the project:
 
 ```
-apigen generate --source="src" --destination="build/apidocs" --title="ramsey/uuid" --template-theme="bootstrap" --deprecated --todo
+./vendor/bin/apigen generate --source="src" --destination="build/apidocs" --title="ramsey/uuid" --template-theme="bootstrap" --deprecated --todo
 ```
 
 This will generate documentation in the `build/apidocs/` folder.

composer.json

@@ -33,7 +33,8 @@
         "phpunit/phpunit": "^4.7",
         "squizlabs/php_codesniffer": "^2.3",
         "jakub-onderka/php-parallel-lint": "^0.9.0",
-        "satooshi/php-coveralls": "^0.6.1"
+        "satooshi/php-coveralls": "^0.6.1",
+        "apigen/apigen": "^4.1"
     },
     "suggest": {
         "ramsey/uuid-doctrine": "Allow the use of a UUID as Doctrine field type.",