Fixed problem when exporting empty variables pointed by Gustaf:when one exported something like {{var ""} ... this was seen as absence of value,so $var was searched for one in the caller scope. Hardened check for presence of an explicit value.
- add missing enumeration type to create script- fix ambiguity for content_item__new in template__new- add/update mime types for text/csv text/vcard, text/calendar- bump version number to 5.9.1d17