Fixed a crash of APE::Item::toString() when the data type is binary
Added a test for APE::Item
Introduced the runtime byte order detection when config.h is missing
Fixed an MSVC specific runtime error only in debug mode
Merge remote-tracking branch 'TsudaKageyu/byteorder-detection'
Merge branch 'master' into merge-master

Conflicts:
	taglib/toolkit/tbytevector.cpp
	taglib/toolkit/tstring.cpp
Unified two equivalent enums 'Endianness' and 'ByteOrder'.