Merge pull request #26 from Setasign/development

Added support for php 8.0

Author: MaximilianKresse

composer.json

@@ -27,7 +27,7 @@
   },
 
   "require": {
-    "php": "^5.6 || ^7.0",
+    "php": ">=5.6",
     "ext-ctype": "*",
 
     "setasign/setapdf-core": "^2.29"
@@ -61,4 +61,4 @@
     "SetaFPDF",
     "SetaPDF"
   ]
-}
+}