Hello all BCXers! This is project update 027.

[Core/dev] Have solved the problem that the searchexecrecord of the RPC interface can not be called

[Core/dev] Have solved the problem that the block information will resynchronize once the logevents starts.

[Core/dev] Have solved the problem that the token transaction list cannot display the accepted transactions

[Core/dev] Have solved the deviation problem between gas consumptions and mining awards

[Core/Test] Write some test cases for the security problems and conduct safety tests.