add modification for 64 bit integers
add support for 64 bit integers
fix a bug for bvg_long_int
fix a bug for cast from int to int64_t
fix a bug for return type of atoin
add 64 bit integer support for bvpagerank.cc
add 64 bit integer support for bvgraph2smat
modified for test 64 bit integer
fix a bug for links
add 64 bit integer support
add int64_t support
add (u)int64_t support for clibbvg.pxd
add (u)int64_t for bvg.pyx
minor fix
change bvg_long_int to int64_t
remove typdef of bvg_long_int
add support for mac osx
printf format for int64_t
add header file for inttypes.h
add PRID64 support for int64_t