added key and session tasks.

laravel/database/schema.php

@@ -29,7 +29,6 @@ class Schema {
 	 */
 	public static function execute($table)
 	{
-		die('here');
 		foreach ($table->commands as $command)
 		{
 			$connection = DB::connection($table->connection);

laravel/database/schema/grammars/mysql.php

@@ -144,7 +144,7 @@ class MySQL extends Grammar {
 	 */
 	public function primary(Table $table, Fluent $command)
 	{
-		return $this->key($table, $command, 'PRIMARY KEY');
+		return $this->key($table, $command->name(null), 'PRIMARY KEY');
 	}
 
 	/**

laravel/database/schema/table.php

@@ -67,7 +67,7 @@ class Table {
 	 * @param  string        $name
 	 * @return Fluent
 	 */
-	public function primary($columns, $name)
+	public function primary($columns, $name = null)
 	{
 		return $this->key(__FUNCTION__, $columns, $name);
 	}
@@ -148,7 +148,7 @@ class Table {
 	 * @param  string  $name
 	 * @return void
 	 */
-	public function drop_primary($name)
+	public function drop_primary($name = null)
 	{
 		return $this->drop_key(__FUNCTION__, $name);
 	}