You can find the update v1.0.11 on http://wiki.blender.org/index.php/Scripts/Manual/Import/DXF-3D
changelog:
c4 added "analyse DXF-file" UI-option: print LAYER/BLOCK-dependences into a textfile
c3 human-formating of data in INI-Files
c2 added "caps" for closed Bezier-curves
c2 added "set elevation" UI-option
c1 rewrite POLYLINE2d-arc-segments Bezier-interpreter
b9 many bugs fixed
b9 rewrite POLYLINE2d-arc-segments trimming (clean-trim)
b8 added "import from frozen layers" UI-option
b8 added "import from paper space" UI-option
b8 support Bezier curves for LINEs incl.thickness(0.0-10.0)
b8 added meshSmooth_on for circle/arc/polyline
b8 added vertexGroups for circle/arc
b7 added width_force for ARCs/CIRCLEs = "thin_box" option
b3 cleanup code, rename f_drawArc/Bulg->f_calcArc/Bulg
b2 fixing material assignment by LAYER+COLOR
b1 fixing Bezier curves representation of POLYLINEs-arc-segments
b0 added global_scale_presets: "yard/feet/inch to meter"
update by the script author - may have killed some changes cambo did to the previous version but the layout of the script is too significantly different to merge them.
