chore(espower): update devDependencies
test(espower): add bug reproduction case

when FunctionExpression begins right after the assertion, its params will be transformed accidentally.
fix(espower): decide to be skipped first, then enter node

This fixes the case when FunctionExpression begins right after the assertion (its params will be transformed accidentally)
chore(espower): rebuild web bundle
docs(CHANGELOG): generate CHANGELOG for 0.9.1