Version 1.5.1
=============

- add email to users on fixtures ;
- spare ressource with recursive trigger on inserting user ;
- fix error when no flags are used during edit and creation of permission group ;

Version 1.5.2
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- allow to filters users shown by `UserPickerType` based on flags. This flags do an additional filter based on the flags assigned in permissions groups;
- add a method to filters users by permissions groups flags in `UserRepository`

Version 1.5.3
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- fix error when interval is hour only

Version 1.5.4
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- layout of page "list exports"
- create function "SIMILARITY" (see [posgtgresql documentation](https://www.postgresql.org/docs/9.6/static/pgtrgm.html)) 
- create function "OVERLAPSI", which will detect period of date overlapping, replacing NULL date by infinity or -infinity (see [postgresql page for date time function and operators](https://www.postgresql.org/docs/9.6/static/functions-datetime.html))
- add repository for Center class

Version 1.5.5
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- add margin of 0.5rem beyond buttons ;
- add a spreadsheet formatter (format xlsx, ods, csv) for lists
- add possibility to generate DirectExport: exports without formatters, filters and aggregators ;
- add api for grouping centers ;
- select centers as grouped on step "pick centers" in exports ;

Version 1.5.6
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- fix long url in report download. The exports parameters are now stored in redis.
- add an option to allow address to be empty if street or postcode is not set. Used for embedding address in another form, when address is not required.

Version 1.5.7
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- insert the title of the export inside the "download" page ;
- add twig helper "print_or_message" ;
- add twig helper for routing ;
- add css layout for boxes ;
- collect supplementary query parameters in SearchController ;

Version 1.5.8
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- allow to remove interval units from DateInterval

Version 1.5.9
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- add optionnal impersonate feature (if firewall option switch_user is true) ;

Version 1.5.10
==============

- allow to group export in UI