Add .pl file extension.

Author: rottmann

lib/index.js

@@ -20,7 +20,7 @@ var SPECIFICATION_VERSION = '0.2.0';
 
 var defaults = {
     excludeFilters: [],
-    includeFilters: [ '.*\\.(clj|cls|coffee|cpp|cs|dart|erl|exs?|go|groovy|ino?|java|js|litcoffee|lua|p|php?|py|rb|scala|ts|pm)$' ],
+    includeFilters: [ '.*\\.(clj|cls|coffee|cpp|cs|dart|erl|exs?|go|groovy|ino?|java|js|litcoffee|lua|p|php?|pl|pm|py|rb|scala|ts)$' ],
 
     src: path.join(__dirname, '../example/'),
 
@@ -53,6 +53,7 @@ var app = {
         '.exs'                   : './languages/ex.js',
         '.litcoffee'             : './languages/coffee.js',
         '.lua'                   : './languages/lua.js',
+        '.pl'                    : './languages/pm.js',
         '.pm'                    : './languages/pm.js',
         '.py'                    : './languages/py.js',
         '.rb'                    : './languages/rb.js',