V0.5.5

1、修改了spdlog.cmake，Linux添加了链接pthread库

Libraries/spdlog/Findspdlog.cmake

@@ -58,6 +58,7 @@ elseif(CMAKE_SYSTEM_NAME MATCHES "Linux")
     else()
         list(APPEND spdlog_LIBRARY ${CMAKE_CURRENT_LIST_DIR}/linux/gcc8.3/libspdlog.so)
     endif()
+    list(APPEND spdlog_LIBRARY pthread)
     if(ENABLE_SPDLOG_STATIC_LIB)
         if(CMAKE_BUILD_TYPE MATCHES "Debug")
             list(APPEND spdlog_STATIC_LIBRARY ${CMAKE_CURRENT_LIST_DIR}/linux/gcc8.3_static/libspdlogd.a)