minor, pass on scheme booleans as INTs to psetters

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
minor, allow to use zone names as defined in the zoneinfo file

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
minor, support :use-zone-name and :use-utc-offset keywords to modify output flavour in zoneinfo dso

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
minor, pass on scheme symbols (as STRs) to psetters

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
minor, use keyword :output to specify output flavour, superseding :use-* bools

This is because the output flavours are mutually exclusive.

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
Merge branch 'dso/zoneinfo' into next

* dso/zoneinfo:
  minor, use keyword :output to specify output flavour, superseding :use-* bools
  minor, pass on scheme symbols (as STRs) to psetters
  minor, support :use-zone-name and :use-utc-offset keywords to modify output flavour in zoneinfo dso
  minor, allow to use zone names as defined in the zoneinfo file
  minor, pass on scheme booleans as INTs to psetters