Add task bundle:uninstall, bundle:unpublish, migrate:rollback bundle, migrate:reset bundle.

laravel/cli/tasks/migrate/migrator.php

@@ -103,9 +103,23 @@ class Migrator extends Task {
 	{
 		$migrations = $this->resolver->last();
 
+		// If bundles supplied, filter migrations to rollback only bundles'
+		// migrations.
+    if (count($arguments) > 0)
+    {
+      $bundles = $arguments;
+
+      if ( ! is_array($bundles)) $bundles = array($bundles);
+
+      $migrations = array_filter($migrations, function($migration) use ($bundles)
+      {
+      	return in_array($migration['bundle'], $bundles);
+      });
+    }
+
 		if (count($migrations) == 0)
 		{
-			echo "Nothing to rollback.";
+			echo "Nothing to rollback.".PHP_EOL;
 
 			return false;
 		}
@@ -136,7 +150,7 @@ class Migrator extends Task {
 	 */
 	public function reset($arguments = array())
 	{
-		while ($this->rollback()) {};
+		while ($this->rollback($arguments)) {};
 	}
 
 	/**