chore(escallmatch): update dependencies
fix(escallmatch): fix silly misspelling

BREAKING CHANGE: `argumentSignitures` method is renamed to `argumentSignatures`

To migrate, change your code from the following:

`matcher.argumentSignitures()`

To:

`matcher.argumentSignatures()`
feat(escallmatch): make callee comparison faster

- calculating signature depth preliminarily
- break immediately from AST traversal if deeper than signature
chore(.jshintrc): relax the lint rule
docs(CHANGELOG): generate CHANGELOG for 0.3.0
0.3.0