Cleaned up dependencies

Using the sexy ^ notation. :)

composer.json

@@ -12,25 +12,25 @@
         "php": ">=5.4.0",
         "ext-apcu": "*",
         "laravel/framework": "5.0.*",
-        "doctrine/dbal": "2.5.*",
-        "cachethq/segment": "~2.0",
-        "graham-campbell/binput": "~3.0",
-        "graham-campbell/markdown": "~3.0",
-        "graham-campbell/throttle": "~3.0",
-        "guzzlehttp/guzzle": "~5.0",
         "illuminate/html": "5.0.*",
-        "jenssegers/date": "~2.0",
+        "cachethq/segment": "^2.0",
-        "mccool/laravel-auto-presenter": "~3.0",
+        "doctrine/dbal": "^2.5",
-        "pragmarx/google2fa": "0.1.*",
+        "fideloper/proxy": "^3.0",
-        "roumen/feed": "~2.9",
+        "graham-campbell/binput": "^3.0",
-        "watson/validating": "~1.0",
+        "graham-campbell/markdown": "^3.0",
-        "fideloper/proxy": "~3.0"
+        "graham-campbell/throttle": "^3.0",
+        "guzzlehttp/guzzle": "^5.0",
+        "jenssegers/date": "^2.0",
+        "mccool/laravel-auto-presenter": "^3.0",
+        "pragmarx/google2fa": "^0.1",
+        "roumen/feed": "^2.9",
+        "watson/validating": "^1.0"
     },
     "require-dev": {
-        "phpunit/phpunit": "~4.3",
+        "phpunit/phpunit": "^4.4",
-        "mockery/mockery": "0.9.*"
+        "mockery/mockery": "^0.9"
     },
-        "autoload": {
+    "autoload": {
         "classmap": [
             "database"
         ],