Use trusty to enable HHVM and add PHP 7.2 to the mix.

Update composer dependencies and fix sniffed code.

.travis.yml

@@ -1,4 +1,4 @@
-dist: xenial
+dist: trusty
 sudo: required
 language: php
 
@@ -14,6 +14,7 @@ php:
   - 5.6
   - 7.0
   - 7.1
+  - 7.2
   - nightly
   - hhvm
 
@@ -42,7 +43,7 @@ before_script:
 
 script:
   - composer check-code
-  - if [ "$TRAVIS_PHP_VERSION" == "7.1" ] ; then composer test-cov; else composer test; fi
+  - if [ "$TRAVIS_PHP_VERSION" == "7.2" ] ; then composer test-cov; else composer test; fi
 
 after_script:
-  - if [ "$TRAVIS_PHP_VERSION" == "7.1" ]; then composer test-cov-upload; fi
+  - if [ "$TRAVIS_PHP_VERSION" == "7.2" ]; then composer test-cov-upload; fi

CHANGELOG.md

@@ -6,9 +6,11 @@ Exclamation symbols (:exclamation:) note something of importance e.g. breaking c
 ## [Unreleased]
 ### Added
 ### Changed
+- Updated Travis to use Trusty containers (for HHVM) and add PHP 7.2 to the tests.
 ### Deprecated
 ### Removed
 ### Fixed
+- PHPCS fixes for updated CodeSniffer dependency.
 ### Security
 
 ## [0.52.0] - 2018-01-07

composer.json

@@ -22,12 +22,12 @@
         "ext-pdo": "*",
         "ext-curl": "*",
         "ext-mbstring": "*",
-        "monolog/monolog": "^1.22",
-        "guzzlehttp/guzzle": "^6.2"
+        "monolog/monolog": "^1.23",
+        "guzzlehttp/guzzle": "^6.3"
     },
     "require-dev": {
-        "phpunit/phpunit": "^4.8|^5.7|^6.1",
-        "squizlabs/php_codesniffer": "^2.8"
+        "phpunit/phpunit": "^4.8|^5.7|^6.5",
+        "squizlabs/php_codesniffer": "^3.2"
     },
     "autoload": {
         "psr-4": {