Resolve autoloading issues, update deps, move symfony process to suggests, format with 2 spaces instead of 4

Author: cursedcoder

composer.json

@@ -1,22 +1,38 @@
 {
-    "name": "cursedcoder/eprocess",
-    "type": "library",
-    "description": "Multi-threading framework?",
-    "keywords": ["pthreads", "child process", "ICP", "non-blocking", "async", "react"],
-    "homepage": "https://github.com/cursedcoder/eprocess",
-    "require": {
-        "php": ">=5.5",
-        "react/react": "0.4.1@dev",
-        "jms/serializer": "^1.1",
-        "doctrine/collections": "1.2.*@dev",
-        "symfony/process": "2.6.*@dev",
-        "concerto/comms": "~0.8"
-    },
-    "license": "MIT",
-    "require-dev": {
-        "divi/pthreads-stub": "dev-master"
-    },
-    "autoload": {
-        "psr-0": { "EProcess": "", "Examples": "" }
+  "name": "cursedcoder/eprocess",
+  "type": "library",
+  "description": "Multi-threading framework?",
+  "keywords": [
+    "pthreads",
+    "child process",
+    "IPC",
+    "non-blocking",
+    "async",
+    "react"
+  ],
+  "homepage": "https://github.com/cursedcoder/eprocess",
+  "require": {
+    "php": ">=5.5",
+    "react/react": "~0.4@dev",
+    "jms/serializer": "^1.1",
+    "doctrine/collections": "~1.3",
+    "concerto/comms": "~0.8"
+  },
+  "suggests": {
+    "symfony/process": "To use symfony process adapter"
+  },
+  "license": "MIT",
+  "require-dev": {
+    "divi/pthreads-stub": "dev-master"
+  },
+  "autoload": {
+    "psr-4": {
+      "EProcess": ""
     }
+  },
+  "autoload-dev": {
+    "psr-4": {
+      "Examples\\": "examples/"
+    }
+  }
 }