Upgrade to 0.3.0-alpha

Hello @myself, 

Please review the following commits I made in branch 'xiao-silly-bug'.

e9e00885e29eb4d683113877a61ee3190fb28d15 (2014-01-20 14:04:57 -0800)
Upgrade to 0.3.0-alpha

420cfe512f809924d48f6fd9422ad94820bac3c6 (2014-01-20 14:04:11 -0800)
Fixed a silly loop bug

R=@myself