Added a missing fieldListmap() method to RIFF::Info::Tag
Added missing #include <algorithm> for std::min() and std::max()
Merge pull request #285 from TsudaKageyu/algorithm

Added missing #include <algorithm> for std::min() and std::max()
Merge pull request #280 from TsudaKageyu/info-fieldlist

Added a missing fieldListmap() method to RIFF::Info::Tag