Juggels c77d013f43 Allow use of date_string in service call (#13256)
* Allow use of date_string in service call

* Add stricter validation, fix descriptions
2018-04-06 22:23:40 +02:00
..
2018-03-15 10:58:11 -07:00
2018-01-09 23:55:14 -08:00