Fix circular reference bug
Fix isAt, Self bugs in 1.3.0
Fix chatroom['Self'] bug
Fix missing emoji format [BR#297: youfou]
Merge 1.3.0 into master and update to 1.3.1
Fix image storage enhancement [ER#160: 6bigfire]
Issue littlecodersh#270 (littlecodersh#271)
Make login stoppable in qrCallback [BR#267: githubwing]
Add pushlogin to login without scan qrcode
Fix long contact fetch bug & new protocol of adding friends