Added support for namespaced tags;

Simplified @see and @link parsing;
Added comments to the regexes of @method, @example and @source;
Added a test case for what 2812eac046 intended to fix.

tests/phpDocumentor/Reflection/DocBlock/Tag/ReturnTagTest.php

@@ -92,6 +92,13 @@ class ReturnTagTest extends \PHPUnit_Framework_TestCase
                 'int',
                 array('int'),
                 "Number of Bobs"
+            ),
+            array(
+                'return',
+                "int\nNumber of Bobs",
+                'int',
+                array('int'),
+                "Number of Bobs"
             )
         );
     }

tests/phpDocumentor/Reflection/DocBlock/Tag/ThrowsTagTest.php

@@ -90,6 +90,13 @@ class ThrowsTagTest extends \PHPUnit_Framework_TestCase
                 'int',
                 array('int'),
                 "Number of Bobs"
+            ),
+            array(
+                'throws',
+                "int\nNumber of Bobs",
+                'int',
+                array('int'),
+                "Number of Bobs"
             )
         );
     }