v0.0.9

• provide unified error definition for all

v0.0.8

• add storage message structure
• add rowkey func

v0.0.7

update all uid type to int64 in internal

v0.0.6

support HBase as db and configure from config and init in application

v0.0.5

fix bugs and use new protoc tool -- buf

v0.0.4

add group

v0.0.3

• add session and group pb
• update friend, message pb

v0.0.2

update config validation

v0.0.1

• message definition
• user/friend definition
• config definition
• response definition