Fixes #260 * Adds `geom_type`, `geom_extra`, and `geom_tags` to `OBS_GetAvailableGeometries`. This brings it up to spec with existing docs. * Adds `timespan_type`, `timespan_extra`, and `timespan_tags` to `OBS_GetAvailableTimespans` for consistency.
Fixes #260 * Adds `geom_type`, `geom_extra`, and `geom_tags` to `OBS_GetAvailableGeometries`. This brings it up to spec with existing docs. * Adds `timespan_type`, `timespan_extra`, and `timespan_tags` to `OBS_GetAvailableTimespans` for consistency.