Log the warn/error messages coming from libpq in a correct format
Fix a memory leak when psql connection fails
Add a DEBUG_SQL_QUERIES to log info about the executed SQL queries
fix #3324
Remove all the ugly database debug
Merge branch 'postgresql' into 'master'
Add postgresql support
Closes #3237
See merge request louiz/biboumi!18
Always free the PGresult pointer returned by PQexec
Fix a somewhat big memory leak
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