Added a comaintainer to meta info

meta/libraries.json

@@ -9,6 +9,7 @@
         "Miscellaneous"
     ],
     "maintainers": [
-        "Fernando Cacciola <fernando_cacciola -at- ciudad.com.ar>"
+        "Fernando Cacciola <fernando_cacciola -at- ciudad.com.ar>",
+        "Andrzej Krzemienski <akrzemi1 -at- gmail.com>"
     ]
 }