Initial commit, empty world working
added images, spritesto elements
refactored to split code in main and factory; partial, non-working trunk push
refactored _move into enter closure, initial push draft; now attempting to make _lef a closure
added test, refactored to pass the test
fixed leave; now refactor leave into Place, to get push working
brython 13.02.02, refactored leave into Place
half working half tested push trunk, needs interaction with tar, trunk?
test refactoring, added push to border; still  needs better testing: border fails to detain trunk
refactored to smaller files; need refactoring to double dispatch and mend push
added take, give, refactore to double dispatch, take give half tested, not working in brython, push trunk not working
Take working, give fails; need refatoring for null thing (Nothing)
take and give tested; push requires rewrite: not working
all trunk operations tested and working
added onscreen gamepad
added Rock, not auto tested, no pull function implemented
Merge https://github.com/cetoli/vitallino

initial merge remote with local