constructor(_options = {})
    {
        // Options
        this.autoWash = typeof _options.autoWash === 'undefined' ? false : _options.autoWash
        this.filesCount = 0
        this.foldersCount = 0
        this.allCount = 0

        // Set up
        this.folders = []
        this.addFolder('.', {})
    }
Create tree and add ./ folder
@param {Object} _options
@param {Boolean} _options.auto_wash - Should clean empty folder on removes