| Mon, 28 Mar 2011 23:37:03 +0200 | Layout adjustments, new preface. | file | diff | annotate |
| Mon, 28 Mar 2011 19:25:26 +0200 | Final corrections. | file | diff | annotate |
| Sat, 26 Mar 2011 01:46:39 +0100 | Corrections. | file | diff | annotate |
| Thu, 24 Mar 2011 13:42:41 +0100 | Some improvs. | file | diff | annotate |
| Wed, 23 Mar 2011 21:10:10 +0100 | Added book version. | file | diff | annotate |