Add PSR-4 autoloader for spec folder, remove custom bin directory

.editorconfig

@@ -0,0 +1,18 @@
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+insert_final_newline = true
+indent_style = space
+indent_size = 4
+trim_trailing_whitespace = true
+
+[*.md]
+trim_trailing_whitespace = false
+
+[*.{yml,json}]
+indent_size = 2
+
+[composer.json]
+indent_size = 4

.gitignore

@@ -1,3 +1,2 @@
-bin/*
 composer.lock
 vendor

.travis.yml

@@ -3,15 +3,12 @@ dist: bionic
 language: php
 
 php:
-  - '7.1'
-  - '7.2'
-  - '7.3'
   - '7.4'
   - '8.0snapshot'
 
 before_script:
   - composer update --no-interaction --no-progress
 
 script:
-  - php bin/phpspec run -f pretty
-  - php bin/phpcs --standard=PSR2 src/
+  - php vendor/bin/phpspec run -f pretty
+  - php vendor/bin/phpcs --standard=PSR12 src/

composer.json

@@ -14,19 +14,22 @@
     "require": {
         "php": "^7.4 || ^8.0",
         "guzzlehttp/guzzle": "^6.0 || ^7.0",
-        "doctrine/inflector": "^1.0 || ^2.0"
-    },
+        "doctrine/inflector": "^1.0 || ^2.0",
+        "ext-json": "*"
+	},
     "require-dev": {
-        "phpspec/phpspec": "^5.1 || ^6.0 || ^7.0",
+        "phpspec/phpspec": "^6.0 || ^7.0",
         "squizlabs/php_codesniffer": "^3.0"
     },
-    "config": {
-        "bin-dir": "bin"
-    },
     "autoload": {
         "psr-4": {
             "Packagist\\Api\\": "src/Packagist/Api/"
         }
+    },
+	"autoload-dev": {
+        "psr-4": {
+            "spec\\Packagist\\Api\\": "spec/Packagist/Api/"
+        }
     },
     "extra": {
         "branch-alias": {