v0.12.1

chore(main): release new version

v0.10.4

1. Add static methods to LemoCore such as signTx, verifyAddress.
2. Parse data for special transactions.
3. Add gasUsed in transaction query result.

v0.10.3

1. Update API to LemoChain v1.3.0
2. Support multi-sign account
3. Support sign box transaction
4. Support sign contranct creation transaction
5. Fix bugs

0.9.0

1. Query blocks, accounts and node informations from the LemoChain.
2. Create accounts.
3. Transfer funds.
4. Connect LemoChain peers.