Merge pull request #101 from GrahamCampbell/patch-2

Tweaked dependencies

Author: Alexandre Salomé

composer.json

@@ -26,10 +26,10 @@
         }
     },
     "require": {
-        "symfony/process": "~2.4|~3.0"
+        "symfony/process": "^2.3|^3.0"
     },
     "require-dev": {
-        "psr/log": "~1.0"
+        "psr/log": "^1.0"
     },
     "suggest": {
         "psr/log": "Add some log"