Get rid of uintptr_t usage

Using uintptr_t might pose a problem when processing data from 64-bit
machine on a 32-bit machine.

Related to rhbz#951506.

Signed-off-by: Martin Milata <mmilata@redhat.com>
Signed-off-by: Miroslav Lichvar <mlichvar@redhat.com>
Include version string in the man page

Related to rhbz#905854.

Signed-off-by: Martin Milata <mmilata@redhat.com>
Signed-off-by: Miroslav Lichvar <mlichvar@redhat.com>