Merge pull request #24 from leonardfischer/master

Implement Psalm and minor code updates

Author: i-doitadmin

composer.json

@@ -29,23 +29,24 @@
     "require-dev": {
         "ext-dom": "*",
         "ext-xml": "*",
-        "brianium/paratest": "^6.4.4",
+        "brianium/paratest": "^6.4",
         "dealerdirect/phpcodesniffer-composer-installer": "^0.7.2",
-        "j13k/yaml-lint": "^1.1.4",
-        "phan/phan": "^5.3.2",
-        "php-parallel-lint/php-parallel-lint": "^1.3.2",
-        "phpcompatibility/php-compatibility": "^9.3.5",
-        "phploc/phploc": "^7.0.2",
-        "phpmd/phpmd": "^2.12.0",
-        "phpstan/phpstan": "^1.6.8",
-        "phpunit/phpunit": "^9.5.20",
-        "povils/phpmnd": "^2.5.0",
+        "j13k/yaml-lint": "^1.1",
+        "phan/phan": "^5.3",
+        "php-parallel-lint/php-parallel-lint": "^1.3",
+        "phpcompatibility/php-compatibility": "^9.3",
+        "phploc/phploc": "^7.0",
+        "phpmd/phpmd": "^2.12",
+        "phpstan/phpstan": "^1.7",
+        "phpunit/phpunit": "^9.5",
+        "povils/phpmnd": "^2.5",
+        "psalm/phar": "^4.23",
         "roave/security-advisories": "dev-master",
         "sclable/xml-lint": "^0.5.0",
-        "sebastian/phpcpd": "^6.0.3",
-        "seld/jsonlint": "^1.9.0",
-        "squizlabs/php_codesniffer": "^3.6.2",
-        "symfony/dotenv": "^6.0.5"
+        "sebastian/phpcpd": "^6.0",
+        "seld/jsonlint": "^1.9",
+        "squizlabs/php_codesniffer": "^3.6",
+        "symfony/dotenv": "^5.4"
     },
     "suggest": {
         "ext-xdebug": "Needed for code coverage with phpunit"