Import matrices and dump other objects into Note windows (from patch #2990795)
Import folder structure (from patch #2990795)
Try harder to find opjparse module (from patch #2990795)
Parse label for all text-like sublayers (from patch #2990795)
Parse number of rows/cols in a Layer (from patch #2990795)
Better parsing of DataSets.
More code cleanup/readability improvements (from patch #2990795)
Add some lines missing in r1346.
Some code cleanup/readability improvements (from patch #2990795)
Improve some debug output (parts of patch #2990795)
