New Unused Code

- Added the outlines of the new Column code.  This is not compiled
  in 1.9.3, but will be in 1.9.4.

src/Column.h

@@ -0,0 +1,66 @@
+////////////////////////////////////////////////////////////////////////////////
+// task - a command line task list manager.
+//
+// Copyright 2006 - 2010, Paul Beckingham, Federico Hernandez.
+// All rights reserved.
+//
+// This program is free software; you can redistribute it and/or modify it under
+// the terms of the GNU General Public License as published by the Free Software
+// Foundation; either version 2 of the License, or (at your option) any later
+// version.
+//
+// This program is distributed in the hope that it will be useful, but WITHOUT
+// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+// FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
+// details.
+//
+// You should have received a copy of the GNU General Public License along with
+// this program; if not, write to the
+//
+//     Free Software Foundation, Inc.,
+//     51 Franklin Street, Fifth Floor,
+//     Boston, MA
+//     02110-1301
+//     USA
+//
+////////////////////////////////////////////////////////////////////////////////
+#ifndef INCLUDED_COLUMN
+#define INCLUDED_COLUMN
+
+#include <string>
+
+class Column
+{
+public:
+  enum just   {right = 0, left, center};
+  enum sizing {minimal = 0, fixed, proportional, maximal};
+
+  static Column* factory (const std::string&);
+
+  Column ();
+  Column (const Column&);
+  Column& operator= (const Column&);
+  bool operator== (const Column&) const;     // TODO Is this necessary?
+  ~Column ();
+
+  void setName (const std::string&);
+  std::string render (Task*, int, int, const std::string style = "default");
+  std::string type () const;
+
+private:
+  std::string _name;
+  int         _minimum;
+  int         _maximum;
+  bool        _wrap;
+  just        _just;
+  sizing      _sizing;
+};
+
+class ColumnDescription : public Column
+{
+public:
+private:
+};
+
+#endif
+////////////////////////////////////////////////////////////////////////////////