Update from version 1.6.7 to 1.6.8. This adds support for the "Matrix…

… STED"

microscope type (used in SVI Huygens 24.10).

Update the README with the changes for version 1.6.6.

Prepare release 1.6.5.

- Fix typo that cuases out-of-bounds read

update readme for 1.6.4 release

Html documentation update: Add description of generic sensor set

and get functions, including the new matrix set and get functions,
and the set and get functions for the number of detectors. Add a full
list of sensor parameter tokens and possible states. Update error
token list.

fix bug in test

rerun bootstrap.sh

added snprintf define for older visual studio versions

edited copyrights and credits