v0.3.1

What's Changed

• Typo in Error.md by @ArdenHide in #157
• Include NextTry into error data for SIGNATURE_TYPE_IS_INVALID by @ArdenHide in #159
• Include retry logic for RPC calls by @ArdenHide in #156
• Round validUntil date in SaveSignature method by @ArdenHide in #161
• Update deploy lambda.yml by @ArdenHide in #165

Full Changelog: v0.3.0...v0.3.1