move GtUword and GtWord definitions to types_api.h
define GtInt64 and GtUint64
unsigned long long -> GtUint64
long long -> GtInt64
redefine GtUchar
redefine and mark types as deprecated
do not use inttype.h and stdint.h in API header
update CHANGELOG
unsigned long -> GtUword
long -> GtWord
uint8_t -> unsigned char in API header
move format character definitions to types_api.h
check correct flag parameters
use GT_LD and GT_LU instead of %lu and %ld
long -> GtWord
Windows 64-bit compilation
long double -> double

long double has the same size as double on Windows and using it leads to all
sorts of problems. I hope we can do without.
make gt compile on Windows 64-bit
Merge pull request #88 from gordon/windows

Windows 64-bit compilation (including type changes)