dev improvements

 bump minimum php variant to 7.0
 update phpunit.xml
 switch to shardj/zf1-future rather than unsupported zf1
 try running tests by default in github

composer.json

@@ -8,7 +8,8 @@
             "@check-format",
             "@lint",
             "@test-fixup",
-            "@psalm"
+            "@psalm",
+            "@test"
         ],
         "check-format": "php-cs-fixer fix --ansi --dry-run --diff",
         "format": "php-cs-fixer fix --ansi",
@@ -18,7 +19,7 @@
         "psalm": "@php ./vendor/bin/psalm --no-cache --show-info=false "
     },
     "require": {
-        "php": ">=5.6"
+        "php": ">=7.0"
     },
     "require-dev": {
         "ext-mysqli":  "*",
@@ -29,7 +30,7 @@
         "php-coveralls/php-coveralls" : "*",
         "phpunit/phpunit": "^6|^7",
         "vimeo/psalm":"^3.0",
-        "zendframework/zendframework1": "^1.12.0"
+        "shardj/zf1-future" : "^1.12"
     },
     "autoload": {
         "files": [

phpunit.xml

@@ -12,22 +12,20 @@
     </php>
 
     <logging>
-        <log type="coverage-html" target="./coverage" charset="UTF-8" highlight="false" lowUpperBound="35" highLowerBound="70"/>
+        <log type="coverage-html" target="./coverage" lowUpperBound="35" highLowerBound="70"/>
     </logging>
 
     <filter>
         <whitelist>
-            <directory>./model</directory>
-            <directory>./public</directory>
-            <file>./functions.inc.php</file>
+            <directory>./model/</directory>
+            <directory>./public/</directory>
+            <directory>./functions.inc.php/</directory>
+            <exclude>
+                <directory>./tests/</directory>
+                <directory>./vendor/</directory>
+                <directory>./lib/</directory>
+            </exclude>
         </whitelist>
-        <blacklist>
-            <!-- no point in doing coverage for the tests themselves -->
-            <directory>./tests/</directory>
-            <!-- we have no control over code from these directories -->
-            <directory>./vendor/</directory>
-            <directory>./lib/</directory>
-        </blacklist>
     </filter>
 
 </phpunit>