v1.3
* fixed a bug in read/write_data, seeks over 2gb now succeed :-)
* added -d for hexdump display of occasions found in search_data

v1.2
* added new tool: replace_data.c
  this one should make global "search'n replace" games easier
* fixed a bug in the calculation of the found location in rare cases within
  search_data

v1.1
* large file support added
* added new email/www address
* added some includes
* removed TODO file, the tool does exactly what it should, no other features
  needed

v1.0
* initial release