Look for magic number to determine if encoding is correct.
Merge branch 'zmx-unicode'
Renamed wxMainFrame to MainFrame.
Moved files around and fixed enough for it to launch without crashing.
Removing wxMDIChildFrame prefixes, wxID_MDICHILDFRAME stuff.
Cleanup.
Still more cleanup of old wx stuff.
Cleanup MainFrame.py
Moved New to its own handler.
Split out menu handling to spearate methods.
Made default project be an object, a stop, and an image surface.
Removed curvature column.
Removed focal length and curvature columns.
Added surface type and comment columns.
Removed power column.
Removed all the 'bending' columns.
Made column-number constants members of LensData.
Removed unused function. (That functionality is already part of DataModel.py)
Merge branch 'reorganize'
Highlighting glass rows.
Merge branch 'highlight-glass-rows'