add mission support for the primary mission object to contain another object in addition to its own attributes. (note we don't check the condition of the other object)
Add "checkComponents" as an artefact attribute for use in missions. ( see issue #76 )
Change coffee beans mission to ensure machine is intact and contains beans
Major overhaul of inventory.add, related wording and "relinquish". Fixed a coupld of bugs on the way through.
see issue#123