using basic_string instead of vector<_Elem> buffer
使用basic_string替代vector<_Elem>缓存

Signed-off-by: Wanpeng Song <swpustc@mail.ustc.edu.cn>
Fix rvalue typedefine
修正右值定义

Signed-off-by: Wanpeng Song <swpustc@mail.ustc.edu.cn>
Update dumpImageSize version to 1.1.6.2
更新dumpImageSize版本到1.1.6.2

Signed-off-by: Wanpeng Song <swpustc@mail.ustc.edu.cn>