Update etcommon-block to v0.3

Author: sorpaas

Cargo.toml

@@ -18,7 +18,7 @@ sha3 = "0.6"
 digest = { version = "0.6", features = ["std"]}
 lazy_static = "0.2"
 secp256k1-plus = "0.5.7"
-etcommon-block = "0.2"
+etcommon-block = "0.3"
 etcommon-rlp = "0.2"
 etcommon-bigint = "0.2"
 etcommon-hexutil = "0.2"

regtests/Cargo.toml

@@ -11,7 +11,7 @@ name = "regtests"
 [dependencies]
 sputnikvm = { path = '..' }
 gethrpc = { path = '../gethrpc' }
-etcommon-block = "0.2"
+etcommon-block = "0.3"
 etcommon-bigint = "0.2"
 etcommon-hexutil = "0.2"
 clap = "2.22"

stateful/Cargo.toml

@@ -9,7 +9,7 @@ authors = ["Wei Tang <hi@that.world>"]
 sputnikvm = { version = "0.7", path = '..' }
 etcommon-bigint = "0.2"
 etcommon-trie = "0.3"
-etcommon-block = "0.2"
+etcommon-block = "0.3"
 etcommon-rlp = "0.2"
 sha3 = "0.6"
 rand = "0.3"