Merge pull request #83 from sorenhein/master

Cumulative update from v2.9.0 beta to v2.9.0

Merge pull request #76 from sorenhein/develop

Cumulate develop update for v2.9.0 beta

Merge pull request #60 from sorenhein/master

Cumulative update to v2.8.4

Merge pull request #55 from sorenhein/master

Fix of par score in very rare cases