Add new command

Clean code
Add new command
Import last modified and deleted date
Replace arrow functions by lambda functions
Add properties to class
Add dependency to composer.json
Signed-off-by: Vitor Mattos <vitor@php.rio>
Turn private methods
Add output messages and associate users to cards

Signed-off-by: Vitor Mattos <vitor@php.rio>

lib/Command/UserExport.php

@@ -63,6 +63,9 @@ class UserExport extends Command {
 		$this->groupManager = $groupManager;
 	}
 
+	/**
+	 * @return void
+	 */
 	protected function configure() {
 		$this
 			->setName('deck:export')