v1.37

- 2 new optional modules : places and ressources. You can now assign a place and/or a ressource in task. The system will check you won't use the same place or ressource at the same time
- Select multiple users when creating tasks : you can know copy the task to many people at the same time (2 maximum in the past)
- New filter on teams added to users management module.
- German translation updated (thanks to contributor)
- Fix on PDF export when the cell content is larger than one page
- Fixed some issues on repeated tasks
- Many small improvments on interfaces and error messages
- Several small issues fixed, reported by end users
- Performances optimized on the planning, specially when many months displayed
- Added Polish translation
- Added task list to PDF export
