Consistent use of size_t for casting pointers to integer type.
Need to apply unsigned long cast after % for pedantic errors.
Test correct handling of 64 bit address.
Compiles on 64 bit Windows but may not print 64bit addresses properly.
Removed unintended change.
Don't know why this got dropped.
Oh clang...
Merge pull request #179 from arstrube/64bit_03

64bit_03  Compiles on 64 bit Windows but may not print 64bit addresses properly.
Merge pull request #175 from arstrube/64bit_02

Consistent use of size_t for casting pointers to integer type.