Merge pull request #12 from sturents/craig/composer-updates

Update composer.json to widen dependencies

.gitignore

@@ -8,3 +8,4 @@ src/Test/
 swagger/api.json
 swagger-json
 examples/_config.php
+composer.lock

composer.json

@@ -1,5 +1,6 @@
 {
 	"name": "sturents/api",
+	"type": "library",
     "license": "MIT",
 	"authors": [
 		{
@@ -8,14 +9,16 @@
 		}
 	],
 	"require": {
-		"php": ">=7.1",
-		"guzzlehttp/guzzle": "~6.0",
-		"netresearch/jsonmapper": "^1.4",
-		"psr/http-message": "^1.0"
+		"php": ">=7.2",
+		"guzzlehttp/guzzle": "^6.0 || ^7.0",
+		"netresearch/jsonmapper": "^1.4 || ^2.0 || ^3.0 || ^4.0",
+		"psr/http-message": "^1.1 || ^2.0",
+		"ext-json": "*"
 	},
 	"require-dev": {
-		"roave/security-advisories": "dev-master",
-		"sturents/swagger-php-model-generator": "^0.1"
+		"roave/security-advisories": "dev-latest",
+		"sturents/swagger-php-model-generator": "^0.1",
+		"vimeo/psalm": "^5.14"
 	},
 	"autoload": {
 		"psr-4": {