use newer version of predis, nette/finder and php (#16)

use newer version of predis, nette/finder and php

Author: howkey666

.travis.yml

@@ -1,7 +1,5 @@
 language: php
 php:
-  - 5.4
-  - 5.5
   - 5.6
   - 7.0
   - 7.1

composer.json

@@ -12,16 +12,16 @@
         }
     ],
     "require": {
-        "php": ">=5.4.0",
-        "predis/predis": "~1.0.0"
+        "php": ">=5.6.0",
+        "predis/predis": "~1.1.1"
     },
     "bin": [
         "php-rq-run-tests"
     ],
     "require-dev": {
         "phpunit/phpunit": "~4.4.0",
         "mockery/mockery": "~0.9.4",
-        "nette/finder": "~2.2.0"
+        "nette/finder": "~2.4"
     },
     "autoload": {
         "psr-4": {