ECC/zcash-android-wallet-sdk#1263 ECC/zcash-android-wallet-sdk#1263 Add structured error types for errors received across the FFI boundary. ECC/zcash-android-wallet-sdk#1476 ECC/zcash-android-wallet-sdk#1476 Migrate transaction history from `v_transactions` view to Rust API ECC/zcash-android-wallet-sdk#1542 ECC/zcash-android-wallet-sdk#1542 Use Tor for single-shot `lightwalletd` requests ECC/zcash-android-wallet-sdk#1631 ECC/zcash-android-wallet-sdk#1631 Refactor the SDK to not assume that the seed is available without user interaction ECC/zashi#59 ECC/zashi#59 Support multi-account functionality