Merge pull request #10 from TOPAZdevelop/master

Added finite decay length for the Higgs.
Merge main repository, lifetime is 0 and comment out unused variable
Merge pull request #11 from usarica/master

Merge main repository, lifetime is 0 and comment out unused variable
update manual
update web
Bugfix in ReadLHE to guarantee backwards compatibility of LHE format
Bugfix in ReadLHE to guarantee backwards compatibility of LHE format
Update 4.8.0 --> 4.8.1