Implemented ticket #318 "Selection of the editor font, esp. its size"
Fixed issue in implementation of ticket #294
Implemented ticket #360 "Create refactoring tools"
Unversioned layout file
Fixed issue #343 "Boxplots using multiple data doesn't calculate the data range correctly"
Fixed an issue in implementation of #369 Column and row logic were mixed at one location
Fixed issue #368 "String expressions may not be used directly as index values"
Fixed issue #372 "Ensure that the last line of the history is visible at start-up"
Fixed an issue in implementation of #367 A copy-paste error occured, which made the code not compilable
Fixed issue #367 "Dollar signs in strings as procedure arguments"