Changed

• Update Solana crates to 2.3 (#194).
• Refactor add_program methods to accept program_id as impl Into<Pubkey> for improved flexibility (#183).
• Make add_program return an error if the program is invalid (#187).

Added

• Allow access to the internal accounts db (#205).
• Update token crate to support native mint functionality (#200).
• Feature to use hashbrown crate instead of std::collections (#203).

Fixed

• Cleanup 0 lamport accounts (#204).
• Fix the documentation for Node (#191).