endian part changed/refactored & tests fixed
boost::chrono & std::chrono support added
std/boost time_point suport added
std/boost optional serialization added & readme fixed
Update std_optional_serializers.hpp
Update std_optional_serializers.hpp
Update README
Update README
constexpr removed if not supported by compiler & boost::optional serialization fixed
Merge branch 'master' of github.com:niXman/yas
Fixed mem_ostream::get_shared_buffer()

Creating  shared_buffer with shared data of mem_ostream::buf  instead of copying them into a new buffer.