Feature Request: Have the ability to generate file url from uri

[Shaderpixel]

Current dump of a file field only provides the file URI with no relative/absolute path to a file. It will be great if the file_URL() method can be added so that we can generate URLs from a given URI

see

• http://drupal.stackexchange.com/questions/137319/getting-the-image-url-from-a-field-image-on-a-node
• https://www.drupal.org/node/2396439
• https://api.drupal.org/api/drupal/includes%21file.inc/function/file_create_url/7.x