Asterisk PostgreSQL App Addon

a PGSQL app addon exactly like that of app_addon_sql_mysql.c in asterisk-addon We should be able to use the command Pgsql in traditional dialplans .conf or new .ael by first setting a querystring and executing it. Please see files attached. Example ael code: Set(QUERYSTRING=SELECT ROUND(${RATE}*${CALLDURATION},4) AS debit|RETURNVARS=DEBIT); &mysql-selectquery();