Detect sizeof(wchar_t) at compile time
Merge pull request #108 from TsudaKageyu/sizeof_wchar_t

Detect sizeof(wchar_t) at compile time
Merge pull request #109 from TsudaKageyu/taglib2

Fix GCC warnings in FileStream
Refector ByteVector
Merge pull request #110 from TsudaKageyu/byteswap

Refector ByteVector