This version includes several critical fixes on the p2p, syncing, and contract layers as well as other minor changes.

• [ctr/lua]add contract.deploy
• [ctr/lua] bug fix about contract.pcall
• [SYNCER] syncer stop if sync has already done before executing finder
• [ctr/lua] Enable the db module when private net
• [fix] Enable the db module when private net
• [ctr/lua] changed to fail transaction when error occured at constructor function
• [state] fix commit timing of contract storage
• [ctr/lua] Fix invalid use of type assertion
• [CHAIN] fit to add only blocks that have error during execution to error cache
• [ctr/lua] minor bug fix for preload
• [SYNCER] add logic for recovering panic in syncer, finder, blockfetcher, hashfetcher
• [SYNCER] fix not to call old version of sync logic
• [P2P][RPC] Show hidden peer on GetPeers command
• [ctr/lua] Remove type assertion when processing VmError
• [P2P] Remove unsed legacy code
• [chore] Update luajit
• [chain] fix genensis BP list
• Improve wording of contract error messages (#34)
• [CLI] Update version information
• [dpos] update BP list upon a reorganization
• [consensus] verify block right before execution