v2.0.1

Fix a database migration issue with MySQL <= 5.7

if you already updated to v2.0.0 you can fix your MySQL schema using the following sql:

UPDATE `folders` f SET name = CONCAT('folder',f.id);
ALTER TABLE `folders` MODIFY `name` varchar(255) NOT NULL;
ALTER TABLE `folders` ADD CONSTRAINT `name` UNIQUE (`name`);
UPDATE `schema_version` SET version=8;