style
BOOST_SYMBOL_VISIBLE 来控制。

将来可能build为 DLL 呢！另外默认使用 visibility=hidden 将减少符号表的大小。
avhttp now have cookie parser code

with avhttp now have cookie parser code, avbot shall use that instead of
its own stupid parser.
print start polling messages!
print stoped polling messages
avhttp sync, and cookie_mgr.hpp style
move rpc into subdir rpc/

prepare for the forth comming complex rpc protocol
add stub for /status rpc
Merge pull request #9 from avplayer/master

Merge