Require options used to build paths to exist
Require options used to build paths to exist

Use the #fetch method instead of #[] to get a useful exception trace when
building a path from an option that is not set.

saab-simc-admin/palletjack,saab-simc-admin/palletjack,creideiki/palletjack,creideiki/palletjack,notCalle/palletjack,notCalle/palletjack