Work with Diptrace that calls things D3 not D03

gerber/rs274x.py

@@ -474,7 +474,7 @@ class GerberParser(object):
             # no implicit op allowed, force here if coord block doesn't have it
             stmt.op = self.op
 
-        if self.op == "D01":
+        if self.op == "D01" or self.op == "D1":
             start = (self.x, self.y)
             end = (x, y)
 
@@ -501,10 +501,10 @@ class GerberParser(object):
                     else:
                         self.current_region.append(Arc(start, end, center, self.direction, self.apertures.get(self.aperture, Circle((0,0), 0)), level_polarity=self.level_polarity, units=self.settings.units))
 
-        elif self.op == "D02":
+        elif self.op == "D02" or self.op == "D2":
             pass
 
-        elif self.op == "D03":
+        elif self.op == "D03" or self.op == "D3":
             primitive = copy.deepcopy(self.apertures[self.aperture])
             # XXX: temporary fix because there are no primitives for Macros and Polygon
             if primitive is not None: