Blocks are a great way to add pieces or chunks of content to your Drupal site.  Capable of displaying simple text, images, forms or complex logic.  There are plenty of sites around that show you how to add a simple custom block.  However, if you are a developer like me, when you are writing your custom block programmatically it has far more requirements than a simple block.  In this article, I'll show how to: Create your initial custom block; Adding a...