[FIX] expression: in nodes like (left, 'in', right), apply _symbol_set on all values in right
[FIX] expression: in nodes like (left, 'in', right), apply _symbol_set on all values in right
MarkusTeufelberger/openobject-server,MarkusTeufelberger/openobject-server,MarkusTeufelberger/openobject-server