started to toy with Firebase, and different pluggable WorldRepo impls
over the week-end
some rough ideas for a simple in-game IDE & compiler
some progress re. Command idea. getAllApplicable() still TBD (next).
Yippie! MicroWorldCommandsTest green.
JWObject
Named now based on QualifiedName instead String
null isn't dull (untested code..)

Signed-off-by: Michael Vorburger <mike@vorburger.ch>