+ attribute Tolerance added to vertex, edge and face

+ method 'add' added to wire

git-svn-id: https://free-cad.svn.sourceforge.net/svnroot/free-cad/trunk@5401 e8eeb9e2-ec13-0410-a4a9-efa5cf37419d

src/Mod/Part/App/TopoShape.cpp

@@ -1679,13 +1679,10 @@ TopoDS_Shape TopoShape::removeShape(const std::vector<TopoDS_Shape>& s) const
 
 void TopoShape::sewShape()
 {
-    //ShapeFix_Shape fixer(this->_Shape);
-    //fixer.Perform();
     BRepBuilderAPI_Sewing sew;
-    sew.Load(this->_Shape/*fixer.Shape()*/);
+    sew.Load(this->_Shape);
     sew.Perform();
 
-    //shape = ShapeUpgrade_ShellSewing().ApplySewing(shape);
     this->_Shape = sew.SewedShape();
 }
 
@@ -1722,6 +1719,10 @@ bool TopoShape::fix(double precision, double mintol, double maxtol)
         fix.FixFaceTool()->Perform();
         this->_Shape = fix.Shape();
     }
+    else if (type == TopAbs_WIRE) {
+        fix.FixWireTool()->Perform();
+        this->_Shape = fix.Shape();
+    }
     else {
         this->_Shape = fix.Shape();
     }