v0.5.0

Highlights:

• Added support for fixed arrays
• Added ability to pass custom serialize/deserialize functions

Commits:

• add fixed array serialization/deserialization (#27) ebb340c
• call class serialize/deserialize methods (#20) 4d4bce3
• Merge pull request #18 from near/repo-update a69361d
• borsh repo updated in package.json 62c05ee

v0.4.0...v0.5.0