v0.3.9

Changelog:

• add support for timeout and ssl in make_server / make_client helper funcs, via #204, #205 and #229.
• add support for thrift_file path in http protocol, via #225.
• preserve traceback when re-raise undeclared exception, via #206.
• performance improvement by dynamically compile spec'd __init__ functions, via #210 and #227.
• performance improvement by refine cython encoding/decoding, via #211 and #212.
• bugfix for type error in cast_byte parser and improve include dirs function, via #214
• bugfix for parse error when field begin with true/false keyword, via #215 and #218.
• bugfix for is_open not return false when socket closed after open, via #230.