• Added Abseil btree map and flat hash map support
• Added u16string support
• Now serialization/de-serialization can be performed using std::vector as buffer
• Compilation on FreeBSD was fixed
• Was added missing header files inclusion
• De-serialization for JSON was fixed to avoid segfault

• Fix build on architectures where char is unsigned
• Fix for utf16(windows) / utf32(linux/osx) conversion for utf8
• Unnecessary to_network()/from_network() functions was removed
• Double/float types now can be serialized the same way as integers (on LE arch)

• load_array() optimized for non vector<bool> containers
• some optimization for binary_streams

• ctsort and ctmap now in separate files
• serialization of vector<bool> fixed
• string escaping for JSON fixed
• emscripten support added
• default_traits::utoa() fixed
• support for transparent comparators for map/multimap/set/multiset added
• C++14 constexpr fnv1a() fixed for MSVC
• examples fixed according latest changes

• mem i/o streams simplified
• some optimizations and beautifications
• copyright date updated

• serialization of std::chrono::duration<> fixed
• use own struct pair instead of std::pair for ct-map
• JSON serialization improved
• yas::std_traits fixed
• some optimizations and beautifications

• __YAS_CALC_STORAGE_SIZE() improved
• binary_ostream improved
• new helpers function in yas/tools.hpp
• some optimizations and beautifications

• some optimizations for binary-compacted archives

• JSON
• binary-compacted archive optimized

MSVC2015-2017 fix.