Kivy: widgets
join -> joints ... yes, "Gelenk" is called "joint"
play_blink.py, anims.py ... a blinking circle and animation helpers
utils: gather
utils: try_many
anims.sequence, added anim_end to set values at the end
KivyNaub, blinking animation
play_blink.py, reseting color at the end
moved Naub.pop_cycle to Naubino.pop_cycle
use pymunk again, cause more features, more documentation