docs: changelog and composer requirements added

AidasK · AidasK · commit 932e12ea247b · 2014-11-15T11:54:07.000+02:00
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -0,0 +1,4 @@
+# 1.0.0
+## Breaking Changes
+ * Flow\Exception was replaced by Flow\FileOpenException and Flow\FileLockException
+ * php requirement was changed to >=5.4
diff --git a/composer.json b/composer.json
@@ -19,7 +19,7 @@
     "chunks"
   ],
   "require": {
-
+      "php": ">=5.4"
   },
   "require-dev": {
     "mikey179/vfsStream": "v1.2.0",
