Update composer.json

Author: tylercd100

composer.json

@@ -25,7 +25,7 @@
     "minimum-stability": "stable",
     "require": {
         "php": "^5.4|^7.0",
-        "monolog/monolog": "^1.11"
+        "monolog/monolog": "^1.12 || ^2.0"
     },
     "require-dev": {
         "phpunit/phpunit": "^4.0|^5.0"