functions  - LEFT, LEN, LOG, LTRIM,
MID, MINUTE, MIRR, MONTH

Change-Id: Ifa4c6c1b715772644afc4280379b2a9e8429842f
Reviewed-on: https://gerrit.libreoffice.org/36551Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Zdenek Crhonek <zcrhonek@gmail.com>