v0.3.0-beta4

What's Changed

• Update README.md by @Funkatronics in #23
• Add Solana System Programs by @Funkatronics in #22
• Update latest version in README.md by @Funkatronics in #24
• Update multimult 0.2.2 by @Funkatronics in #26
• Add Anchor Serializer by @Funkatronics in #27
• Add PDAs by @Funkatronics in #28
• bump latest version in readme by @Funkatronics in #29
• Add JSON serialization support for SolanaPublicKey by @Funkatronics in #30

Full Changelog: v0.3.0-beta3...v0.3.0-beta4