Updated credis dependency to 1.2.* (fixes a bug in blpop)

Author: ruudk

composer.json

@@ -20,7 +20,7 @@
 	"require": {
 		"php": ">=5.3.0",
 		"ext-pcntl": "*",
-		"colinmollenhour/credis": "dev-master"
+		"colinmollenhour/credis": "1.2.*"
 	},
 	"suggest": {
 		"ext-proctitle": "Allows php-resque to rename the title of UNIX processes to show the status of a worker.",