Revert "C++17"

This reverts commit 3f088e7b3a1467a88e7c5ff9fb60dc4609d2bfa3.

C++17

Add a check for GCC’s and Clang’s minimal versions

Release version 7.2

Release version 7.1

By the way, start version 8.0

Release version 7.0

By the way, we were on version 7.0~dev

Add a DEBUG_SQL_QUERIES to log info about the executed SQL queries

fix #3324

Merge branch 'postgresql' into 'master'

Add postgresql support

Closes #3237

See merge request louiz/biboumi!18

Run some of the ci tests against a postgresql docker container

Handle postgresql and sqlite3 libs properly

Do not fail to compile when one of them is missing but the other one is not.

Raise an error when trying to open a database with the missing library.

see #3237

Add postgresql support

Release version 6.1

Release version 6.0

Merge branch 'patch-1' into 'master'

Set symbol visibility to hidden in cmake

See merge request !15

CMakeLists: Set symbol visibility to hidden.

This reduces the size of the final binary by 12% by not including
symbols, and thus function bodies that have been inlined for example.

Don’t forget to bump to version 6.0~dev

Merge branch 'orm' into 'master'

Pure c++ sqlite3 ORM

Closes #3271

See merge request !11

Find sqlite3 instead of litesql

Simplifies the CMakeLists.txt a little bit