Version bump. set mailmap to get contributors worked out

.mailmap

@@ -0,0 +1,5 @@
+Chase Whitener <capoeirab@cpan.org> <cwhitener@gmail.com>
+Shawn M Moore <sartak@cpan.org> <code@sartak.org>
+Shawn M Moore <sartak@cpan.org> <sartak@bestpractical.com>
+Shawn M Moore <sartak@cpan.org> <sartak@gmail.com>
+Shawn M Moore <sartak@cpan.org> <shawn.moore@iinteractive.com>

META.json

@@ -84,7 +84,7 @@
    "provides" : {
       "Test::Spelling" : {
          "file" : "lib/Test/Spelling.pm",
-         "version" : "0.20"
+         "version" : "0.21"
       }
    },
    "release_status" : "stable",
@@ -99,7 +99,7 @@
          "web" : "https://github.com/genio/test-spelling"
       }
    },
-   "version" : "0.20",
+   "version" : "0.21",
    "x_Dist_Zilla" : {
       "perl" : {
          "version" : "5.026001"
@@ -410,7 +410,7 @@
                   "branch" : null,
                   "changelog" : "Changes",
                   "signed" : 0,
-                  "tag" : "v0.20",
+                  "tag" : "v0.21",
                   "tag_format" : "v%V",
                   "tag_message" : "v%V"
                },
@@ -576,15 +576,13 @@
       }
    },
    "x_contributors" : [
+      "Chase Whitener <capoeirab@cpan.org>",
       "David Golden <dagolden@cpan.org>",
       "Karen Etheridge <ether@cpan.org>",
       "Kent Fredric <kentfredric@gmail.com>",
       "Olaf Alders <olaf@wundersolutions.com>",
       "Randy Stauner <randy@magnificent-tears.com>",
-      "Shawn M Moore <code@sartak.org>",
-      "Shawn M Moore <sartak@bestpractical.com>",
-      "Shawn M Moore <sartak@gmail.com>",
-      "Shawn M Moore <shawn.moore@iinteractive.com>",
+      "Shawn M Moore <sartak@cpan.org>",
       "Thomas Sibley <trs@bestpractical.com>"
    ],
    "x_generated_by_perl" : "v5.26.1",

Makefile.PL

@@ -39,7 +39,7 @@ my %WriteMakefileArgs = (
     "strict" => 0,
     "warnings" => 0
   },
-  "VERSION" => "0.20",
+  "VERSION" => "0.21",
   "test" => {
     "TESTS" => "t/*.t"
   }

README.md

@@ -132,7 +132,7 @@ can will use work on the current system. You can use this to skip tests if
 there is no spellchecker. Note that ["all\_pod\_files\_spelling\_ok"](#all_pod_files_spelling_ok) will do this
 for you.
 
-A full list of spellcheckers which this method might test can be found in the 
+A full list of spellcheckers which this method might test can be found in the
 source of the `spellchecker_candidates` method.
 
 ## set\_spell\_cmd($command)

lib/Test/Spelling.pm

@@ -11,7 +11,7 @@ use File::Spec;
 use IPC::Run3;
 use Symbol 'gensym';
 
-our $VERSION = '0.20';
+our $VERSION = '0.21';
 
 our @EXPORT = qw(
     pod_file_spelling_ok
@@ -389,7 +389,7 @@ can will use work on the current system. You can use this to skip tests if
 there is no spellchecker. Note that L</all_pod_files_spelling_ok> will do this
 for you.
 
-A full list of spellcheckers which this method might test can be found in the 
+A full list of spellcheckers which this method might test can be found in the
 source of the C<spellchecker_candidates> method.
 
 =head2 set_spell_cmd($command)
@@ -444,4 +444,3 @@ You may use, modify, and distribute this package under the
 same terms as Perl itself.
 
 =cut
-