Optional chaining#16

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LivingInSyn wants to merge 8 commits intoKronuz:masterfrom

LivingInSyn:optional-chaining

Commits on May 24, 2021

update messages and nodes
Jeremy Mill
committed
update parser.py
Jeremy Mill
committed
optional chaining support in scanner
Jeremy Mill
committed
add ChainExpression to syntax
Jeremy Mill
committed
migrate tests from esprima to esprima-python
Jeremy Mill
committed
fix typos
Jeremy Mill
committed
remove unsupported tests
Jeremy Mill
committed
roll back more unsupported tests
Jeremy Mill
committed