v0.2.0

Changed

• Tweak license description (@ralphtheninja)
• Handle NULL strings in NAPI_RETURN_AND_FREE_STRING() (@ralphtheninja)
• Refactor array code in src/module.c (@ralphtheninja)
• Split dc.createGroupChat() into dc.createUnverifiedGroupChat() and dc.createVerifiedGroupChat() (@ralphtheninja)
• Update minimal node version in README (@ralphtheninja)

Added

• Add nyc and coveralls for code coverage (@ralphtheninja)
• Add constants.js by parsing deltachat-core/src/deltachat.h (@ralphtheninja)

Removed

• Remove magic numbers from tests (@ralphtheninja)
• Remove console.log() from binding.js (@ralphtheninja)

Fixed

• Throw helpful error if tests are missing credentials (@ralphtheninja)