Sum and average can return float or int

CHANGELOG.md

@@ -85,9 +85,13 @@
 - Average collection function added
 - Min collection function added
 - Max collection function added
-- ToArrray collection function added
+- ToString collection function added
 - **Breaking change: sum utility function removed**
 - **Breaking change: average utility function removed**
 - **Breaking change: min utility function removed**
 - **Breaking change: max utility function removed**
 - **Breaking change: concatenate utility function removed**
+
+##8.0.0
+- **Breaking change: sum function will return integer by default, float if there are float type elements**
+- **Breaking change: average function will not force return float and will return integer if the sum/count result is integer**

composer.json

@@ -14,13 +14,13 @@
     }
   ],
   "require-dev": {
-    "phpspec/phpspec": "~2.0",
-    "henrikbjorn/phpspec-code-coverage": "*",
-    "squizlabs/php_codesniffer": "~2.0",
-    "phpmd/phpmd" : "2.2.1",
-    "ciaranmcnulty/phpspec-typehintedmethods": "*",
-    "phpunit/phpunit": "4.5.*",
-    "symfony/console": "~2.7"
+    "phpspec/phpspec": "^2.0",
+    "henrikbjorn/phpspec-code-coverage": "^2.0",
+    "squizlabs/php_codesniffer": "^2.0",
+    "phpmd/phpmd" : "^2.0",
+    "ciaranmcnulty/phpspec-typehintedmethods": "^1.0",
+    "phpunit/phpunit": "^5.0",
+    "symfony/console": "^2.7"
   },
   "require": {
     "php": ">=5.6.0"