v2.13.0

• added callable support to Peak\Config\ConfigLoader
• added setSuffix() and setPrefix() to Peak\Common\ClassFinder
• moved illuminate/database and illuminate/events as default dependencies to peak default application
• added symfony/console to core
• added method asClosure() in Peak\Config\ConfigLoader
• added support of Yaml config for Peak\Config\ConfigLoader
• container is now passed to the constructor instead of hard-coded in Peak\Bedrock\Application\Bootstrapper
• added console application component Peak\Climber based on symfony/console component
• updated functions __() and _e() to return text in case of not finding a valid instance of Peak\Common\Language