minor #17 drop PHP < 7.1 support (xabbuh)

This PR was merged into the 2.0.x-dev branch.

Discussion
----------

drop PHP < 7.1 support

Commits
-------

3cff92f drop PHP < 7.1 support

Author: xabbuh

.travis.yml

@@ -6,21 +6,12 @@ cache:
   directories:
     - $HOME/.composer/cache/files
 
-php:
-  - 5.6
-  - 7.0
-  - 7.1
-
 matrix:
   fast_finish: true
   include:
-    - php: 5.3
-      dist: precise
+    - php: 7.1
       env: COMPOSER_OPTIONS="--prefer-lowest --prefer-stable"
-    - php: 5.4
-      dist: precise
-    - php: 5.5
-      dist: precise
+    - php: 7.3
     - php: 7.2
       env: deps="high"
 

CHANGELOG.md

@@ -1,6 +1,11 @@
 CHANGELOG
 =========
 
+2.1.0
+-----
+
+* dropped support for PHP < 7.1
+
 2.0.0
 -----
 

composer.json

@@ -12,7 +12,7 @@
         }
     ],
     "require": {
-        "php": "^5.3 || ^7.0"
+        "php": "^7.1"
     },
     "autoload": {
         "psr-4": {
@@ -21,7 +21,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "2.0.x-dev"
+            "dev-master": "2.1.x-dev"
         }
     }
 }