findAll(callback){
        if (callback) {
            callback.call(this, JSON.parse(this.memoryStorage[this._dbName]).todos);
        }
    }
/**
     * Will retrieve all data from the collection
     *
     * @param {function} callback The callback to fire upon retrieving data
     */
Will retrieve all data from the collection
@param {function} callback The callback to fire upon retrieving data
Will retrieve all data from the collection @param { function } callback The callback to fire upon retrieving data
findAll(callback){
        if (callback) {
            callback.call(this, JSON.parse(this.memoryStorage[this._dbName]).todos);
        }
    }
findAll ( callback ) { if ( callback ) { callback . call ( this , JSON . parse ( this . memoryStorage [ this . _dbName ] ) . todos ) ; } }
Will retrieve all data from the collection
 @param {function} callback The callback to fire upon retrieving data
Will retrieve all data from the collection @param { function } callback The callback to fire upon retrieving data