fixed #267 - drop php 5.5, upgrade to php least version to 5.6

Author: lesstif

.travis.yml

@@ -1,7 +1,6 @@
 language: php
 
 php:
-  - 5.5
   - 5.6
   - 7.0
   - 7.1
@@ -23,5 +22,5 @@ script:
 matrix:
   allow_failures:
     - php: hhvm
-    - php: 5.5
+    - php: 5.6
   fast_finish: true

composer.json

@@ -4,7 +4,7 @@
     "type": "library",
     "keywords": ["jira", "rest", "jira-php", "jira-rest"],
     "require": {
-        "php": ">=5.5.9",
+        "php": ">=5.6.9",
         "ext-curl": "*",
         "ext-json": "*",
         "netresearch/jsonmapper": "~0.11|^1.0",
@@ -21,7 +21,7 @@
         {
             "name": "KwangSeob Jeong",
             "email": "[email protected]",
-            "homepage": "http://lesstif.com/"
+            "homepage": "https://lesstif.com/"
         }
     ],
     "autoload": {