Unpack a Gobbler path to its combination of project, asset, version, and (optionally) path, for easier use in the various gobbler functions.
unpackPath(path)List containing project, asset, version and path.
All are strings, except for path, which may be NULL.
unpackPath("project/asset/version/path")
#> $project
#> [1] "project"
#>
#> $asset
#> [1] "asset"
#>
#> $version
#> [1] "version"
#>
#> $path
#> [1] "path"
#>
unpackPath("project/asset/version")
#> $project
#> [1] "project"
#>
#> $asset
#> [1] "asset"
#>
#> $version
#> [1] "version"
#>
#> $path
#> NULL
#>