Relax version constraint.

README.md

@@ -7,7 +7,7 @@
 [![Downloads](https://img.shields.io/packagist/dt/paragonie/quill.svg)](https://packagist.org/packages/paragonie/quill)
 
 Quill is a library for publishing data to a [Chronicle](https://github.com/paragonie/chronicle) instance.
-**Requires PHP 7.2 or newer.** 
+**Requires PHP 7 or newer. PHP 7.2+ is recommended.** 
 
 ## Installing
 

composer.json

@@ -2,20 +2,20 @@
   "name": "paragonie/quill",
   "description": "Library for quickly and easily writing data to a Chronicle instance",
   "license": "ISC",
+  "type": "library",
   "authors": [
     {
       "name": "Paragon Initiative Enterprises",
       "email": "[email protected]"
     }
   ],
   "require": {
-    "php": "^7.2",
+    "php": "^7",
     "guzzlehttp/guzzle": "^6",
     "paragonie/constant_time_encoding": "^2",
     "paragonie/sapient": "^1",
     "paragonie/sodium_compat": "^1.4"
   },
-
   "autoload": {
     "psr-4": {
       "ParagonIE\\Quill\\": "src/"