Updated Readme and docblocks

Author: geggleto

.idea/workspace.xml

@@ -1,3 +1,6 @@
+## PHP Renderer
+
+
 ## Usage
 
 ```php
@@ -13,4 +16,8 @@ $app->get('/hello/{name}', function ($request, $response, $args) {
 });
 
 $app->run();
-```
+```
+
+## Exceptions
+`\RuntimeException` - if template does not exist
+`\InvalidArgumentException` - if $data contains 'template'

README.md

@@ -34,14 +34,20 @@ public function __construct($templatePath = "")
     }
 
     /**
-     * Render
+     * Render a template
      *
-     * Inserts template into Response object
+     * $data cannot contain template as a key
+     *
+     * throws RuntimeException if $templatePath . $template does not exist
      *
      * @param \Slim\Http\Response $response
-     * @param string $template
-     * @param array $data
+     * @param                     $template
+     * @param array               $data
+     *
      * @return \Slim\Http\Response
+     *
+     * @throws \InvalidArgumentException
+     * @throws \RuntimeException
      */
     public function render(Response $response, $template, array $data = [])
     {