Fix bug in SketchProject.onDesorb()
Merge pull request #66 from igemsoftware/Branch-chyb

Fix bug in SketchProject.onDesorb()
Delete SrcLineNumCounter.exe
Delete .gitignore
Merge pull request #68 from igemsoftware/master

Master into Branch-chyb
Add OperationHistory test
Merge pull request #69 from igemsoftware/Branch-chyb

Branch chyb
Merge remote-tracking branch 'origin/master' into Victor