- Added P6 review 031.

43 files changed, 6669 insertions, 6668 deletions

diff --git a/challenge-031/laurent-rosenfeld/blog1.txt b/challenge-031/laurent-rosenfeld/blog1.txt
new file mode 100644
index 0000000000..bcd4d5b5c9
--- /dev/null
+++ b/challenge-031/laurent-rosenfeld/blog1.txt
@@ -0,0 +1 @@
+https://perlweeklychallenge.org/blog/p6-review-challenge-031/
diff --git a/stats/pwc-challenge-001.json b/stats/pwc-challenge-001.json
index 7b0ae82ead..a466bb37a2 100644
--- a/stats/pwc-challenge-001.json
+++ b/stats/pwc-challenge-001.json
@@ -1,290 +1,13 @@
 {
-   "series" : [
-      {
-         "name" : "Perl Weekly Challenge - 001",
-         "data" : [
-            {
-               "name" : "Adam Russell",
-               "drilldown" : "Adam Russell",
-               "y" : 3
-            },
-            {
-               "drilldown" : "Ailbhe Tweedie",
-               "y" : 1,
-               "name" : "Ailbhe Tweedie"
-            },
-            {
-               "y" : 2,
-               "drilldown" : "Alex Daniel",
-               "name" : "Alex Daniel"
-            },
-            {
-               "drilldown" : "Andrezgz",
-               "y" : 2,
-               "name" : "Andrezgz"
-            },
-            {
-               "name" : "Antonio Gamiz",
-               "drilldown" : "Antonio Gamiz",
-               "y" : 2
-            },
-            {
-               "name" : "Arne Sommer",
-               "y" : 5,
-               "drilldown" : "Arne Sommer"
-            },
-            {
-               "name" : "Arpad Toth",
-               "y" : 2,
-               "drilldown" : "Arpad Toth"
-            },
-            {
-               "name" : "Athanasius",
-               "y" : 2,
-               "drilldown" : "Athanasius"
-            },
-            {
-               "drilldown" : "Bob Kleemann",
-               "y" : 2,
-               "name" : "Bob Kleemann"
-            },
-            {
-               "name" : "Daniel Mantovani",
-               "y" : 1,
-               "drilldown" : "Daniel Mantovani"
-            },
-            {
-               "drilldown" : "Dave Cross",
-               "y" : 3,
-               "name" : "Dave Cross"
-            },
-            {
-               "name" : "Dave Jacoby",
-               "drilldown" : "Dave Jacoby",
-               "y" : 2
-            },
-            {
-               "drilldown" : "David Kayal",
-               "y" : 2,
-               "name" : "David Kayal"
-            },
-            {
-               "drilldown" : "Doug Schrag",
-               "y" : 2,
-               "name" : "Doug Schrag"
-            },
-            {
-               "name" : "Dr James A. Smith",
-               "y" : 4,
-               "drilldown" : "Dr James A. Smith"
-            },
-            {
-               "name" : "Duncan C. White",
-               "drilldown" : "Duncan C. White",
-               "y" : 2
-            },
-            {
-               "name" : "Eddy HS",
-               "y" : 2,
-               "drilldown" : "Eddy HS"
-            },
-            {
-               "name" : "Finley",
-               "drilldown" : "Finley",
-               "y" : 2
-            },
-            {
-               "name" : "Fred Zinn",
-               "drilldown" : "Fred Zinn",
-               "y" : 1
-            },
-            {
-               "name" : "Freddie B",
-               "drilldown" : "Freddie B",
-               "y" : 2
-            },
-            {
-               "name" : "Gustavo Chaves",
-               "drilldown" : "Gustavo Chaves",
-               "y" : 1
-            },
-            {
-               "y" : 2,
-               "drilldown" : "JJ Merelo",
-               "name" : "JJ Merelo"
-            },
-            {
-               "y" : 4,
-               "drilldown" : "Jaldhar H. Vyas",
-               "name" : "Jaldhar H. Vyas"
-            },
-            {
-               "name" : "Jeff",
-               "drilldown" : "Jeff",
-               "y" : 2
-            },
-            {
-               "name" : "Jeremy Carman",
-               "drilldown" : "Jeremy Carman",
-               "y" : 2
-            },
-            {
-               "name" : "Jim Bacon",
-               "y" : 1,
-               "drilldown" : "Jim Bacon"
-            },
-            {
-               "drilldown" : "Jo Christian Oterhals",
-               "y" : 5,
-               "name" : "Jo Christian Oterhals"
-            },
-            {
-               "name" : "Joelle Maslak",
-               "drilldown" : "Joelle Maslak",
-               "y" : 4
-            },
-            {
-               "y" : 1,
-               "drilldown" : "John Barrett",
-               "name" : "John Barrett"
-            },
-            {
-               "y" : 2,
-               "drilldown" : "Juan Caballero",
-               "name" : "Juan Caballero"
-            },
-            {
-               "y" : 2,
-               "drilldown" : "Khalid",
-               "name" : "Khalid"
-            },
-            {
-               "name" : "Kian-Meng Ang",
-               "drilldown" : "Kian-Meng Ang",
-               "y" : 3
-            },
-            {
-               "name" : "Kivanc Yazan",
-               "drilldown" : "Kivanc Yazan",
-               "y" : 2
-            },
-            {
-               "name" : "Lars Balker",
-               "y" : 4,
-               "drilldown" : "Lars Balker"
-            },
-            {
-               "name" : "Laurent Rosenfeld",
-               "y" : 4,
-               "drilldown" : "Laurent Rosenfeld"
-            },
-            {
-               "name" : "Mark Senn",
-               "drilldown" : "Mark Senn",
-               "y" : 2
-            },
-            {
-               "name" : "Martin Mugeni",
-               "drilldown" : "Martin Mugeni",
-               "y" : 2
-            },
-            {
-               "y" : 1,
-               "drilldown" : "Neil Bowers",
-               "name" : "Neil Bowers"
-            },
-            {
-               "name" : "Nick Logan",
-               "y" : 4,
-               "drilldown" : "Nick Logan"
-            },
-            {
-               "y" : 2,
-               "drilldown" : "Oleksii Tsvietnov",
-               "name" : "Oleksii Tsvietnov"
-            },
-            {
-               "name" : "Ozzy",
-               "drilldown" : "Ozzy",
-               "y" : 2
-            },
-            {
-               "name" : "Pavel Jurca",
-               "y" : 2,
-               "drilldown" : "Pavel Jurca"
-            },
-            {
-               "drilldown" : "Pete Houston",
-               "y" : 2,
-               "name" : "Pete Houston"
-            },
-            {
-               "drilldown" : "Philippe Bruhat",
-               "y" : 3,
-               "name" : "Philippe Bruhat"
-            },
-            {
-               "name" : "Prajith P",
-               "y" : 1,
-               "drilldown" : "Prajith P"
-            },
-            {
-               "y" : 2,
-               "drilldown" : "Sean Meininger",
-               "name" : "Sean Meininger"
-            },
-            {
-               "y" : 6,
-               "drilldown" : "Simon Proctor",
-               "name" : "Simon Proctor"
-            },
-            {
-               "name" : "Simon Reinhardt",
-               "drilldown" : "Simon Reinhardt",
-               "y" : 2
-            },
-            {
-               "y" : 4,
-               "drilldown" : "Steve Rogerson",
-               "name" : "Steve Rogerson"
-            },
-            {
-               "y" : 2,
-               "drilldown" : "Steven Wilson",
-               "name" : "Steven Wilson"
-            },
-            {
-               "name" : "Tiago Stock",
-               "y" : 1,
-               "drilldown" : "Tiago Stock"
-            },
-            {
-               "drilldown" : "Tore Andersson",
-               "y" : 2,
-               "name" : "Tore Andersson"
-            },
-            {
-               "drilldown" : "Veesh Goldman",
-               "y" : 1,
-               "name" : "Veesh Goldman"
-            },
-            {
-               "name" : "William Gilmore",
-               "drilldown" : "William Gilmore",
-               "y" : 1
-            },
-            {
-               "y" : 4,
-               "drilldown" : "Yet Ebreo",
-               "name" : "Yet Ebreo"
-            }
-         ],
-         "colorByPoint" : 1
-      }
-   ],
+   "tooltip" : {
+      "headerFormat" : "<span style='font-size:11px'>{series.name}</span><br/>",
+      "followPointer" : 1,
+      "pointFormat" : "<span style='color:{point.color}'>{point.name}</span>: <b>{point.y:f}</b><br/>"
+   },
    "drilldown" : {
       "series" : [
          {
+            "name" : "Adam Russell",
             "data" : [
                [
                   "Perl 5",
@@ -295,47 +18,46 @@
                   1
                ]
             ],
-            "name" : "Adam Russell",
             "id" : "Adam Russell"
          },
          {
-            "name" : "Ailbhe Tweedie",
+            "id" : "Ailbhe Tweedie",
             "data" : [
                [
                   "Perl 5",
                   1
                ]
             ],
-            "id" : "Ailbhe Tweedie"
+            "name" : "Ailbhe Tweedie"
          },
          {
             "id" : "Alex Daniel",
-            "name" : "Alex Daniel",
             "data" : [
                [
                   "Perl 6",
                   2
                ]
-            ]
+            ],
+            "name" : "Alex Daniel"
          },
          {
-            "id" : "Andrezgz",
-            "name" : "Andrezgz",
             "data" : [
                [
                   "Perl 5",
                   2
                ]
-            ]
+            ],
+            "name" : "Andrezgz",
+            "id" : "Andrezgz"
          },
          {
+            "name" : "Antonio Gamiz",
             "data" : [
                [
                   "Perl 6",
                   2
                ]
             ],
-            "name" : "Antonio Gamiz",
             "id" : "Antonio Gamiz"
          },
          {
@@ -367,34 +89,34 @@
             ]
          },
          {
-            "name" : "Athanasius",
             "data" : [
                [
                   "Perl 5",
                   2
                ]
             ],
+            "name" : "Athanasius",
             "id" : "Athanasius"
          },
          {
+            "id" : "Bob Kleemann",
             "name" : "Bob Kleemann",
             "data" : [
                [
                   "Perl 5",
                   2
                ]
-            ],
-            "id" : "Bob Kleemann"
+            ]
          },
          {
+            "id" : "Daniel Mantovani",
+            "name" : "Daniel Mantovani",
             "data" : [
                [
                   "Perl 5",
                   1
                ]
-            ],
-            "name" : "Daniel Mantovani",
-            "id" : "Daniel Mantovani"
+            ]
          },
          {
             "name" : "Dave Cross",
@@ -411,6 +133,7 @@
             "id" : "Dave Cross"
          },
          {
+            "id" : "Dave Jacoby",
             "data" : [
                [
                   "Perl 5",
@@ -421,31 +144,29 @@
                   1
                ]
             ],
-            "name" : "Dave Jacoby",
-            "id" : "Dave Jacoby"
+            "name" : "Dave Jacoby"
          },
          {
-            "name" : "David Kayal",
             "data" : [
                [
                   "Perl 5",
                   2
                ]
             ],
+            "name" : "David Kayal",
             "id" : "David Kayal"
          },
          {
             "id" : "Doug Schrag",
+            "name" : "Doug Schrag",
             "data" : [
                [
                   "Perl 6",
                   2
                ]
-            ],
-            "name" : "Doug Schrag"
+            ]
          },
          {
-            "id" : "Dr James A. Smith",
             "data" : [
                [
                   "Perl 5",
@@ -456,47 +177,48 @@
                   2
                ]
             ],
-            "name" : "Dr James A. Smith"
+            "name" : "Dr James A. Smith",
+            "id" : "Dr James A. Smith"
          },
          {
-            "id" : "Duncan C. White",
             "data" : [
                [
                   "Perl 5",
                   2
                ]
             ],
-            "name" : "Duncan C. White"
+            "name" : "Duncan C. White",
+            "id" : "Duncan C. White"
          },
          {
+            "name" : "Eddy HS",
             "data" : [
                [
                   "Perl 5",
                   2
                ]
             ],
-            "name" : "Eddy HS",
             "id" : "Eddy HS"
          },
          {
             "id" : "Finley",
+            "name" : "Finley",
             "data" : [
                [
                   "Perl 6",
                   2
                ]
-            ],
-            "name" : "Finley"
+            ]
          },
          {
+            "id" : "Fred Zinn",
+            "name" : "Fred Zinn",
             "data" : [
                [
                   "Perl 5",
                   1
                ]
-            ],
-            "name" : "Fred Zinn",
-            "id" : "Fred Zinn"
+            ]
          },
          {
             "id" : "Freddie B",
@@ -509,17 +231,16 @@
             "name" : "Freddie B"
          },
          {
-            "id" : "Gustavo Chaves",
-            "name" : "Gustavo Chaves",
             "data" : [
                [
                   "Perl 5",
                   1
                ]
-            ]
+            ],
+            "name" : "Gustavo Chaves",
+            "id" : "Gustavo Chaves"
          },
          {
-            "id" : "JJ Merelo",
             "data" : [
                [
                   "Perl 6",
@@ -530,10 +251,10 @@
                   1
                ]
             ],
-            "name" : "JJ Merelo"
+            "name" : "JJ Merelo",
+            "id" : "JJ Merelo"
          },
          {
-            "name" : "Jaldhar H. Vyas",
             "data" : [
                [
                   "Perl 5",
@@ -544,20 +265,21 @@
                   2
                ]
             ],
+            "name" : "Jaldhar H. Vyas",
             "id" : "Jaldhar H. Vyas"
          },
          {
+            "name" : "Jeff",
             "data" : [
                [
                   "Perl 5",
                   2
                ]
             ],
-            "name" : "Jeff",
             "id" : "Jeff"
          },
          {
-            "name" : "Jeremy Carman",
+            "id" : "Jeremy Carman",
             "data" : [
                [
                   "Perl 5",
@@ -568,7 +290,7 @@
                   1
                ]
             ],
-            "id" : "Jeremy Carman"
+            "name" : "Jeremy Carman"
          },
          {
             "data" : [
@@ -581,7 +303,7 @@
             "id" : "Jim Bacon"
          },
          {
-            "id" : "Jo Christian Oterhals",
+            "name" : "Jo Christian Oterhals",
             "data" : [
                [
                   "Perl 5",
@@ -596,9 +318,10 @@
                   1
                ]
             ],
-            "name" : "Jo Christian Oterhals"
+            "id" : "Jo Christian Oterhals"
          },
          {
+            "name" : "Joelle Maslak",
             "data" : [
                [
                   "Perl 5",
@@ -609,7 +332,6 @@
                   2
                ]
             ],
-            "name" : "Joelle Maslak",
             "id" : "Joelle Maslak"
          },
          {
@@ -623,13 +345,13 @@
             "name" : "John Barrett"
          },
          {
-            "name" : "Juan Caballero",
             "data" : [
                [
                   "Perl 5",
                   2
                ]
             ],
+            "name" : "Juan Caballero",
             "id" : "Juan Caballero"
          },
          {
@@ -681,6 +403,8 @@
             "id" : "Lars Balker"
          },
          {
+            "id" : "Laurent Rosenfeld",
+            "name" : "Laurent Rosenfeld",
             "data" : [
                [
                   "Perl 5",
@@ -694,39 +418,37 @@
                   "Blog",
                   1
                ]
-            ],
-            "name" : "Laurent Rosenfeld",
-            "id" : "Laurent Rosenfeld"
+            ]
          },
          {
-            "id" : "Mark Senn",
-            "name" : "Mark Senn",
             "data" : [
                [
                   "Perl 6",
                   2
                ]
-            ]
+            ],
+            "name" : "Mark Senn",
+            "id" : "Mark Senn"
          },
          {
             "id" : "Martin Mugeni",
-            "name" : "Martin Mugeni",
             "data" : [
                [
                   "Perl 6",
                   2
                ]
-            ]
+            ],
+            "name" : "Martin Mugeni"
          },
          {
+            "id" : "Neil Bowers",
             "name" : "Neil Bowers",
             "data" : [
                [
                   "Perl 5",
                   1
                ]
-            ],
-            "id" : "Neil Bowers"
+            ]
          },
          {
             "id" : "Nick Logan",
@@ -743,13 +465,13 @@
             "name" : "Nick Logan"
          },
          {
+            "name" : "Oleksii Tsvietnov",
             "data" : [
                [
                   "Perl 5",
                   2
                ]
             ],
-            "name" : "Oleksii Tsvietnov",
             "id" : "Oleksii Tsvietnov"
          },
          {
@@ -773,17 +495,17 @@
             ]
          },
          {
-            "name" : "Pete Houston",
+            "id" : "Pete Houston",
             "data" : [
                [
                   "Perl 5",
                   2
                ]
             ],
-            "id" : "Pete Houston"
+            "name" : "Pete Houston"
          },
          {
-            "name" : "Philippe Bruhat",
+            "id" : "Philippe Bruhat",
             "data" : [
                [
                   "Perl 5",
@@ -794,7 +516,7 @@
                   1
                ]
             ],
-            "id" : "Philippe Bruhat"
+            "name" : "Philippe Bruhat"
          },
          {
             "id" : "Prajith P",
@@ -808,15 +530,16 @@
          },
          {
             "id" : "Sean Meininger",
-            "name" : "Sean Meininger",
             "data" : [
                [
                   "Perl 6",
                   2
                ]
-            ]
+            ],
+            "name" : "Sean Meininger"
          },
          {
+            "id" : "Simon Proctor",
             "name" : "Simon Proctor",
             "data" : [
                [
@@ -831,21 +554,20 @@
                   "Blog",
                   2
                ]
-            ],
-            "id" : "Simon Proctor"
+            ]
          },
          {
-            "name" : "Simon Reinhardt",
+            "id" : "Simon Reinhardt",
             "data" : [
                [
                   "Perl 5",
                   2
                ]
             ],
-            "id" : "Simon Reinhardt"
+            "name" : "Simon Reinhardt"
          },
          {
-            "id" : "Steve Rogerson",
+            "name" : "Steve Rogerson",
             "data" : [
                [
                   "Perl 5",
@@ -856,7 +578,7 @@
                   2
                ]
             ],
-            "name" : "Steve Rogerson"
+            "id" : "Steve Rogerson"
          },
          {
             "id" : "Steven Wilson",
@@ -870,23 +592,23 @@
          },
          {
             "id" : "Tiago Stock",
-            "name" : "Tiago Stock",
             "data" : [
                [
                   "Perl 5",
                   1
                ]
-            ]
+            ],
+            "name" : "Tiago Stock"
          },
          {
+            "id" : "Tore Andersson",
+            "name" : "Tore Andersson",
             "data" : [
                [
                   "Perl 5",
                   2
                ]
-            ],
-            "name" : "Tore Andersson",
-            "id" : "Tore Andersson"
+            ]
          },
          {
             "id" : "Veesh Goldman",
@@ -900,15 +622,16 @@
          },
          {
             "id" : "William Gilmore",
+            "name" : "William Gilmore",
             "data" : [
                [
                   "Perl 5",
                   1
                ]
-            ],
-            "name" : "William Gilmore"
+            ]
          },
          {
+            "id" : "Yet Ebreo",
             "name" : "Yet Ebreo",
             "data" : [
                [
@@ -919,43 +642,320 @@
                   "Perl 6",
                   2
                ]
-            ],
-            "id" : "Yet Ebreo"
+            ]
          }
       ]
    },
-   "xAxis" : {
-      "type" : "category"
-   },