chore(escallmatch): watch and run tests
feat(escallmatch): calleeAst method that returns clone of callee in signiture
feat(escallmatch): argumentSignitures method that returns argument specs in signiture
refactor(escallmatch): rename to toArgumentSigniture
chore(escallmatch): update dependencies
refactor(escallmatch): extract variable
chore(escallmatch): rebuild web bundle
docs(escallmatch): generate CHANGELOG
0.2.0