align(n) now fills skipped bytes with '\0'.
align(n,f) to choose a different fill value.
No other changes intended
Use intrinsic byte order swapping builtins for gcc, clang, and msvc.
use assert() to check pre/post conditions.
Remove unused condition macros and unreachable code.
Add tests of byte swapping primitives and
test the correctness of unaligned operations.
add illustrations of flip() and rewind()
Michael Davidsaver
a9111d78d3