Always define __gnu_cxx::hash< unsigned long long >. Simplify the function, too.
Release version 1.2.
Add support for big-endian architectures.
customizable storage and runtime parameters and some more

 * compression level
 * chunk size
 * bundle size
 * debugging bits
 * minor cosmetics and comments
Switch to bytes for all sizes and minor cosmeitcs
revert disabled bundle naming scaling code
distinguish compression level per algorithm and related cosmetics