Converted to Composer package + PHPunit for tests

.gitignore

@@ -0,0 +1,2 @@
+.phpunit.result.cache
+vendor/

.travis.yml

@@ -0,0 +1,32 @@
+language: php
+
+env:
+  global:
+    - setup=stable
+
+matrix:
+  fast_finish: true
+  include:
+    - php: 7.3
+      env: COVERAGE=1
+    - php: 7.2
+      env: COVERAGE=0
+
+sudo: false
+
+cache:
+  directories:
+    - $HOME/.composer/cache
+
+before_install:
+  - travis_retry composer self-update
+
+install:
+  - if [[ $setup = 'stable' ]]; then travis_retry composer update --prefer-dist --no-interaction --prefer-stable --no-suggest; fi
+
+script:
+  - if [ "$COVERAGE" == "1" ]; then vendor/bin/phpunit --coverage-clover=coverage.xml; fi
+  - if [ "$COVERAGE" == "0" ]; then vendor/bin/phpunit; fi
+
+after_success:
+    - bash <(curl -s https://codecov.io/bash)

composer.json

@@ -0,0 +1,29 @@
+{
+    "name": "nickwest/blossom-php",
+    "description": "Edmonds's Blossom Algorithm in PHP",
+    "authors": [
+        {
+            "name": "Thomas David Baker",
+            "email": "[email protected]"
+        },
+        {
+            "name": "Nick West",
+            "email": "[email protected]"
+        }
+    ],
+    "license": "MIT",
+    "require": {
+        "php": "^7.2"
+    },
+    "autoload": {
+        "classmap": [],
+        "psr-4": {
+            "Nickwest\\BlossomPhp\\": "src/",
+            "Nickwest\\BlossomPhp\\Test\\": "tests/"
+        }
+    },
+    "minimum-stability": "stable",
+    "require-dev": {
+        "phpunit/phpunit": "^8.1"
+    }
+}