- fixed crash when public store does not exist
- check if temporary directory is writeable
- disabled display_error with ini_set
- fixed exporter: now really exporting the chosen calendar
- improved parser (timezone detection)
- ics exporter
- improved ics fileparser
- fixed ExtJS Problem in chrome
KNOWN PROBLEMS:
- importer ignores some fields (priority, status...)
- attechments are ignored
- timezone handling is not perfect
- recurrent events are not handled properly (im/export)