This fixes date arithmetic, 'insert into ... select' column order mismatch, andconcatenation syntax error in acs-mail-lite. Bug 1719, patch 489. GabrielBurca.
Bumped logger up one version. I had added in an optional -party_idswitch in logger::entry::new, and project-manager depends on it, so Ineed to ensure that project manager can depend on the newer APIoption.