R/responsibilities.R
    montagu_touchstone_versions.RdTouchstones are versioned; errata in the input or coverage data may be addressed with a new version of the existing touchstone. When interacting with Montagu, a touchstone_id will consist of a basename, and a version.
montagu_touchstone_versions(modelling_group_id = NULL, touchstone_name = NULL, require_open = FALSE, location = NULL)
| modelling_group_id | id of the modelling group. If omitted or null, then all touchstones are returned. | 
|---|---|
| touchstone_name | Optional base name of the touchstone to filter. (ie, no version suffix) | 
| require_open | If true, include only open touchstones | 
| location | The montagu server to connect to. | 
Data frame of touchstone id, name, version, description and status