Added phpstan, code sniffer, updated to datagrid v6

Author: paveljanda

composer.json

@@ -25,15 +25,24 @@
 		}
 	},
 	"require": {
-		"nette/application" : "^2.3|^2.4",
-		"ublaboo/datagrid" : "~2.3|~3.0|~4.0|~5.0",
-		"nette/database" : "^2.3|^2.4",
-		"nette/caching" : "^2.3|^2.4",
-		"greenlion/php-sql-parser" : "~4.0"
+		"php": "^7.2",
+		"nette/database" : "^3.0",
+		"ublaboo/datagrid" : "^6.0",
+		"greenlion/php-sql-parser" : "^4.2"
 	},
 	"require-dev": {
-		"nette/tester" : "~1.6.1",
-		"tracy/tracy" : "^2.3|^2.4",
-		"mockery/mockery" : "~0.9"
+		"nette/tester": "^2.2",
+		"tracy/tracy": "^2.6",
+		"mockery/mockery" : "^1.2",
+		"phpstan/phpstan": "^0.11",
+		"phpstan/phpstan-strict-rules": "^0.11",
+		"ninjify/coding-standard": "^0.9"
+	},
+	"prefer-stable": true,
+	"minimum-stability": "dev",
+	"scripts": {
+		"phpstan": "vendor/phpstan/phpstan/bin/phpstan analyse -c vendor/phpstan/phpstan-strict-rules/rules.neon src --level 7",
+		"phpcs": "vendor/bin/phpcs --standard=vendor/ninjify/coding-standard/ruleset-gamee.xml --extensions=php,phpt --tab-width=4 --ignore=temp -sp src tests",
+		"phpcsfix": "vendor/bin/phpcbf --standard=vendor/ninjify/coding-standard/ruleset-gamee.xml --extensions=php,phpt --tab-width=4 --ignore=temp -sp src tests"
 	}
 }

src/Exception/NetteDatabaseDataSourceException.php

@@ -1,7 +1,10 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Ublaboo\NetteDatabaseDataSource\Exception;
 
 class NetteDatabaseDataSourceException extends \Exception
 {
+
 }