libembroidery error checking.
DST format reader bugfix.
libembroidery - prevent multiple END stitches.
Updated TODO list: Ensure END stitch is present in writers.
libembroidery error logging.
libembroidery EXP format writer fixes.
libembroidery KSM reader EmbFile changes.
libembroidery TAP reader EmbFile changes.
libembroidery TXT writer EmbFile changes.
libembroidery ZSK reader EmbFile changes.
libembroidery DST reader EmbFile changes.
libembroidery DSB reader EmbFile changes.
libembroidery DSZ reader EmbFile changes.
Undo History now shows New/Open.
MdiWindow code consistency.
libembroidery copyStitchListToPolylines() bugfix.
casting fixes.
libembroidery code cleanup.
corrected dialog naming.
Fixed PHB warning.