v1.0.0-rc.4

What's Changed

• church toInt is not stack-limited by @JohanWiltink in #58
• remove spurious debug print stmt by @JohanWiltink in #61
• more testing by @JohanWiltink in #62
• add compare-by by @JohanWiltink in #63
• redesign for configure() by @JohanWiltink in #65

Full Changelog: v1.0.0-rc.3...v1.0.0-rc.4