add qq email contact util
add random user agent to qq mail contact api
add yundama api
update http util chaset detect
add multi request support to HTTP util
fix weixin menu api issue
fix issue 74
release http connection
perform Http util
add QZone visitor api
add validation code recognize to QQ contact
Merge branch '0.0.4'
change qzone visitor api validation code type
release version 0.0.4