v0.19.2

What's Changed

• Correct 'worst-cast' typos by @hudlow in #418
• Add additional type check tests by @jnthntatum in #419
• clarify error behavior for e.exists(x, p) by @hudlow in #427
• typo, formatting, and link fixes by @hudlow in #422
• tests to verify parsers ignore whitespace and comments by @hudlow in #430
• clarify Unicode handling by @hudlow in #423
• Fix strings.format tests by @jcking in #435

Full Changelog: v0.19.1...v0.19.2