- Improved the import of tables horizontal header.
- Improved ExpDecayDialog and add/remove CurvesDialog.
- The resize of a text marker in a 2D plot now modifies the font of the text accordingly.
- Improved storing/restoring to/from files for the ImageMarker class.
- Fixed cloning of 2D plots.
- Improved exporting of plots to image format files.
- Fixed bugs due to mixing of QwtPlotCurve and QwtPlotItem in 2D plots.