Merge branch 'app' into development

# Conflicts:
#	boot/helpers.php

Author: natanfelles

boot/helpers.php

@@ -11,7 +11,6 @@
 
 use Framework\Helpers\ArraySimple;
 use Framework\HTTP\Response;
-use Framework\MVC\App;
 use Framework\MVC\Model;
 use Framework\Routing\Route;
 use Framework\Session\Session;

guide/index.rst

@@ -501,5 +501,5 @@ The more you use it, the more you will learn.
 .. note::
     Did you find something wrong? 
     Be sure to let us know about it with an
-    `issue <https://gitlab.com/aplus-framework/projects/app/issues>`_. 
+    `issue <https://github.com/aplus-framework/app/issues>`_. 
     Thank you!

phpmd.xml

@@ -2,6 +2,7 @@
 <ruleset name="Mess Detector">
     <!-- cleancode -->
     <rule ref="rulesets/cleancode.xml">
+        <exclude name="BooleanArgumentFlag"/>
         <exclude name="StaticAccess"/>
     </rule>
     <!-- codesize -->