2.0.0

<< breaking changes >>

• Removed autotools support. Use cmake instead (#476, #479)
• Removed pointer version of msgpack::unpack APIs. Use reference version instead (#453)
• Removed MSGPACK_DISABLE_LEGACY_CONVERT. msgpack::object::convert(T*) is removed by default. Use msgpack::object::convert(T&) instead (#451)
• Removed msgpacl::type::nil. Use nil_t or define MSGPACK_USE_LECACY_NIL (#444)
• Removed std::string to msgpack::object conversion (#434)

<< recommended changes >>

• Replaced msgpack::unpacked with msgpack::object_handle. msgpack::unpacked is kept as a typedef of msgpack::object_handle. (#448)

<< other updates >>

• Add strict size checking adaptor. Relaxed tuple conversion (#489)
• Fix and Improve example codes (#487)
• Add C++/CLI support for nullptr (#481)
• Update the boost libraries that are contained by msgpack-c (#475)
• Fix gcc_atomic.hpp location (#474)
• Add C-Style array support (#466, #488)
• Fix include file dependency (#464)
• Add a visitor version of unpack API (#461)
• Fix JSON string conversion from "nil" to "null" (#458)
• Fix and Improve build system (#455, #471, #473, #486, #491)
• Fix comments (#452)
• Fix unintentional msgpack::zone moving problem (#447)
• Fix operator>> and << for msgpack::object (#443)
• Fix C++03 msgpack::zone::clear() memory access violation bug (#441)
• Fix TARGET_OS_IPHONE checking (#436)
• Fix invalid front() call for empty container (#435)
• Fix compile error on g++6 (C++11 only) (#426, #430)
• Fix zone size expansion logic (#423)
• Fix wrong hader file dependency (#421)
• Fix msvc specific problem (#420)
• Add v2 API support (#415)