Rendering exceptions are now shown in event log. Semaphore cleared correctly on exception. Special hint for encoding problems (probably windows platform only)
Merge pull request #26 from bodiam/master

0.4 Release.
Merge branch 'master' into ahus1_errorhandling
Log error message only
Merge pull request #29 from ahus1/ahus1_errorhandling

Rendering exceptions are now shown in event log.
Merge remote-tracking branch 'upstream/master'
Updated release notes