contributors: update file

CONTRIBUTORS

@@ -7,10 +7,11 @@
 Alessandro Corbelli <alessandro.corbelli@guest.it>
 Andrews Medina <andrewsmedina@gmail.com>
 Bernardo Heynemann <heynemann@gmail.com>
+Cezar Sa Espinola <cezarsa@gmail.com>
 Danilo Bardusco <bardusco@gmail.com> <danilo@bardusco.com>
 Flavia Missi <flaviamissi@gmail.com>
 Flávio Ribeiro <flavio.ribeiro@corp.globo.com>
-Francisco Souza <f@souza.cc> <fss@corp.globo.com>
+Francisco Souza <f@souza.cc> <franciscossouza@gmail.com> <fss@corp.globo.com>
 Guilherme Heynemann Bruzzi <guilherme.bruzzi@corp.globo.com>
 Guilherme Souza <guivideojob@gmail.com>
 Jay Graves <jaywgraves@gmail.com>
@@ -22,3 +23,4 @@ Pablo Santiago Blum de Aguiar <scorphus@gmail.com>
 Rafael Floriano da Silva <rflorianobr@gmail.com>
 Ricardo L. Dani <ricardodani@gmail.com>
 Rodrigo Chacon <rochacon@gmail.com>
+Tarsis Azevedo <tarsis.azevedo@gmail.com>