diff --git a/.gitignore b/.gitignore
index b92f090..4b0c6de 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,9 +1,17 @@
-# common
-.idea
+# IDE
+/.idea
 /nbproject
+
+# PHPUnit
+
+phpunit.xml
+/.phpunit.result.cache
+
+# build
+
+composer.phar
 /vendor/
 /_build/
+
+# translations
 *.mo
-.vagrant/
-phpunit.xml
-composer.phar
diff --git a/LICENSE b/LICENSE
index c9bcb97..da311ef 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,4 +1,4 @@
-Copyright (c) 2011-2018 Dominik Liebler and contributors
+Copyright (c) 2011-2019 Dominik Liebler and contributors
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
 
diff --git a/conf.py b/conf.py
index 15f4994..a9aad21 100644
--- a/conf.py
+++ b/conf.py
@@ -47,7 +47,7 @@ master_doc = 'README'
 
 # General information about the project.
 project = u'DesignPatternsPHP'
-copyright = u'2011-2018, Dominik Liebler and contributors'
+copyright = u'2011-2019, Dominik Liebler and contributors'
 author = u'Dominik Liebler and contributors'
 
 # The version info for the project you're documenting, acts as replacement for
diff --git a/locale/ca/LC_MESSAGES/Behavioral/Memento/README.po b/locale/ca/LC_MESSAGES/Behavioral/Memento/README.po
index 361a5f9..5fa5a22 100644
--- a/locale/ca/LC_MESSAGES/Behavioral/Memento/README.po
+++ b/locale/ca/LC_MESSAGES/Behavioral/Memento/README.po
@@ -2,7 +2,6 @@
 # Copyright (C) 2015, Dominik Liebler and contributors
 # This file is distributed under the same license as the DesignPatternsPHP
 # package.
-# FIRST AUTHOR <EMAIL@ADDRESS>, 2016.
 #
 #, fuzzy
 msgid ""
diff --git a/locale/pt_BR/LC_MESSAGES/README.po b/locale/pt_BR/LC_MESSAGES/README.po
index 097512a..2d068ef 100644
--- a/locale/pt_BR/LC_MESSAGES/README.po
+++ b/locale/pt_BR/LC_MESSAGES/README.po
@@ -89,8 +89,8 @@ msgid "Copyright (c) 2011 - 2016 `Dominik Liebler`_ and `contributors`_"
 msgstr "Copyright (c) 2011 - 2016 `Dominik Liebler`_ e `contribuidores`_"
 
 #: ../../README.rst:48
-msgid "Copyright 2011-2018, Dominik Liebler and contributors"
-msgstr "Copyright 2011-2018, Dominik Liebler e contribuidores"
+msgid "Copyright 2011-2019, Dominik Liebler and contributors"
+msgstr "Copyright 2011-2019, Dominik Liebler e contribuidores"
 
 
 #: ../../README.rst:50
diff --git a/locale/zh_CN/LC_MESSAGES/README.po b/locale/zh_CN/LC_MESSAGES/README.po
index a7fccee..6b8a72e 100644
--- a/locale/zh_CN/LC_MESSAGES/README.po
+++ b/locale/zh_CN/LC_MESSAGES/README.po
@@ -69,8 +69,8 @@ msgid "(The MIT License)"
 msgstr "MIT 授权协议"
 
 #: ../../README.rst:48
-msgid "Copyright (c) 2011 - 2016 `Dominik Liebler`_ and `contributors`_"
-msgstr "Copyright (c) 2011 - 2016 `Dominik Liebler`_ 和 `贡献者`_"
+msgid "Copyright (c) 2011 - 2019 `Dominik Liebler`_ and `contributors`_"
+msgstr "Copyright (c) 2011 - 2019 `Dominik Liebler`_ 和 `贡献者`_"
 
 #: ../../README.rst:50
 msgid ""