implements xmlErrorFunc for dav sync + adds line numbers to error reporting in both config checkers

There has never been deliberately fucked up error handling for missing sync.xml.

improves config error reporting and adds check (check-config) command + dav-sync no longer aborts on missing sync.xml

adds first libidav tests

fixes false positive error when creating a sync db

implemented string functionality for some davql operators

refactored load_db function

(0) -100 -30 -10 -7 +7 +10 +30 +100 +300 tip

mercurial