computers/get/entry now uses Spirit::Computer to create and get computer entries.
Spirit::Computer.create() creates a hash based upon computer defaults.
Spirit::Computer now has an instance definition and is used to read individual computer plists.
Fixed Spirit::Log not checking for the existence of a log before attempting to rotate existing logs.
Added PlistModel to_hash method as syntactic sugar for retrieving plist contents as a hash.
DS Runtime can now successfully create and query computer items.