Declaring strict types. Adding return types to all functions. Adding …

…code coverage make target. Updating travis config to report code coverage to coveralls.io.

.gitignore

@@ -1,2 +1,2 @@
 vendor/
-debug/
+build/

.travis.yml

@@ -1,4 +1,12 @@
 language: php
 php:
   - '7.2'
-install: composer install
+
+install:
+  - composer install
+
+script:
+  - make coverage
+
+after_success:
+  - travis_retry php vendor/bin/php-coveralls

Makefile

@@ -1,14 +1,13 @@
 .PHONY: release
 
 analyze:
-	vendor/bin/psalm --show-info=false
-
-report:
-	vendor/bin/psalm --report=debug/psalm.xml
-	sensible-browser debug/psalm.xml
+	vendor/bin/psalm
 
 test:
 	vendor/bin/phpunit
 
+coverage:
+	vendor/bin/phpunit --coverage-clover=build/logs/clover.xml
+
 release:
 	/usr/bin/env php release

composer.json

@@ -10,7 +10,7 @@
         }
     ],
     "require": {
-        "php": "^7"
+        "php": ">=7.2"
     },
     "autoload": {
         "psr-4": {
@@ -19,11 +19,13 @@
     },
     "require-dev": {
         "phpunit\/phpunit": "^7.3",
-        "vimeo/psalm": "^3.0"
+        "vimeo/psalm": "^3.0",
+        "php-coveralls/php-coveralls": "^2.1",
+        "predis/predis": "^1.1"
     },
     "autoload-dev": {
         "psr-4": {
-            "Tests\\": "tests"
+            "Throttler\\Tests\\": "tests"
         }
     },
     "suggest": {