diff --git a/CHANGELOG.md b/CHANGELOG.md
index 65d5b3c..3d3daf2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 Common and useful classes, methods, exceptions etc.
 
+# 0.1.4
+
+1. Phing > update configuration
+
 # 0.1.3
 
 1. Tests > refactoring & minor improvements
diff --git a/VERSION b/VERSION
index b1e80bb..845639e 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-0.1.3
+0.1.4
diff --git a/build.xml b/build.xml
index d65367b..a4a2a95 100644
--- a/build.xml
+++ b/build.xml
@@ -14,7 +14,7 @@
     <!-- Default / main target -->
     <target name="build:main"
             depends="build:app, build:tests"
-            description="Builds everything and runs all tests" />
+            description="Builds everything and runs all tests"/>
 
     <!-- Build app -->
     <target name="build:app" description="Prepares app to build and tests">
@@ -24,23 +24,5 @@
     <!-- Build tests -->
     <target name="build:tests" description="Runs all tests, checks and creates docs">
         <phing phingfile="phing/tests.xml" haltonfailure="true"/>
-
-        <!--
-        Conditional running of tests.
-        Disabled, because not required.
-
-        Meritoo <github@meritoo.pl>
-        2017-02-22
-
-        <if>
-            <equals arg1="${env}" arg2="test" />
-            <then>
-                <phing phingfile="phing/tests.xml" haltonfailure="true" />
-            </then>
-            <else>
-                <echo message="[Skipped] Running tests, checks and creating docs, because it's a not 'test' environment..." />
-            </else>
-        </if>
-        -->
     </target>
 </project>
diff --git a/phing/app.xml b/phing/app.xml
index 23852ba..464a2f1 100644
--- a/phing/app.xml
+++ b/phing/app.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project name="Meritoo Package" basedir="." default="build:main" phingVersion="2.14.0">
+<project name="Meritoo Package" basedir="." default="build:main" phingVersion="2.16.0">
     <!-- Properties -->
     <if>
         <available file="phing/properties" property="custom.properties.available"/>
@@ -11,50 +11,119 @@
         </else>
     </if>
 
+    <!-- Filesets -->
+    <import file="phing/filesets.xml"/>
+
     <!-- Default / main target -->
     <target name="build:main"
             depends="build:app"
-            description="Builds the application" />
+            description="Builds the application"/>
 
     <!-- App target -->
     <target name="build:app"
-            depends="app:composer, app:vendors, app:checkout"
-            description="Prepares app to build." />
+            depends="app:clean, app:composer, app:vendors, app:composer-validate, app:checkout"
+            description="Prepares app to build."/>
 
-    <!-- Updates Composer and validates composer.* files -->
-    <target name="app:composer" description="Updates Composer and validates composer.* files">
-        <echo msg="Updating Composer and validating composer.* files..." />
+    <!-- Updates Composer -->
+    <target name="app:composer" description="Updates Composer">
+        <echo msg="Updating Composer..."/>
 
         <if>
-            <available file="composer.phar" />
+            <available file="composer.phar"/>
             <then>
-                <echo msg="[Skipped] Downloading of Composer skipped, because exist in the project..." />
+                <echo msg="[Skipped] Downloading of Composer skipped, because exist in the project..."/>
             </then>
             <else>
                 <if>
-                    <os family="windows" />
+                    <os family="windows"/>
                     <then>
-                        <fail message="Composer not found! Go to http://getcomposer.org/download and download the Composer." />
+                        <fail message="Composer not found! Go to http://getcomposer.org/download and download the Composer."/>
                     </then>
                     <else>
-                        <exec command="${composer.download_command}" checkreturn="true" />
+                        <exec command="${composer.download_command}" checkreturn="true"/>
                     </else>
                 </if>
             </else>
         </if>
 
         <!-- Update Composer -->
-        <composer command="selfupdate" />
+        <composer command="selfupdate"/>
+    </target>
+
+    <!-- Validates composer.* files -->
+    <target name="app:composer-validate" description="Validates composer.* files">
+        <echo msg="Validating composer.* files..."/>
 
         <!-- Validate Composer -->
         <composer command="validate">
-            <arg line="--no-check-all --strict" />
+            <arg line="--no-check-all --strict"/>
         </composer>
     </target>
 
+    <!-- Project clean -->
+    <target name="app:clean" description="Clears app's directories">
+        <echo msg="Cleaning project..."/>
+        <if>
+            <equals arg1="${env}" arg2="prod"/>
+            <then>
+                <echo message="[Skipped] Cleaning project (and directories cleanup) skipped, because of 'prod' environment..."/>
+            </then>
+            <else>
+                <echo msg="Cleaning directories (making them empty)..."/>
+                <foreach list="${directoriesToEmpty}" param="directory" target="app:clean:empty"/>
+            </else>
+        </if>
+
+        <echo msg="Preparing directories structure..."/>
+        <foreach list="${directoriesToCheck}" param="directory" target="app:clean:check"/>
+
+        <echo msg="Creating .gitkeep files..."/>
+        <touch file="${dir.cache}/.gitkeep"/>
+        <touch file="${dir.logs}/.gitkeep"/>
+        <touch file="${dir.sessions}/.gitkeep"/>
+
+        <echo msg="Setting permissions of directories..."/>
+        <foreach list="${directoriesToEmpty}" param="directory" target="app:permissions"/>
+    </target>
+
+    <!-- Cleaning directory (making empty) directory -->
+    <target name="app:clean:empty" description="Empties directory">
+        <if>
+            <available file="${directory}" type="dir"/>
+            <then>
+                <echo message="Cleaning directory (making empty) ${directory}..."/>
+                <delete includeemptydirs="true" dir="${directory}"/>
+            </then>
+        </if>
+    </target>
+
+    <!-- Checking if directory exists -->
+    <target name="app:clean:check" description="Checks if directories exist">
+        <if>
+            <not>
+                <available file="${directory}" type="dir"/>
+            </not>
+            <then>
+                <if>
+                    <or>
+                        <contains string="${directory}" substring="cache"/>
+                        <contains string="${directory}" substring="logs"/>
+                        <contains string="${directory}" substring="sessions"/>
+                    </or>
+                    <then>
+                        <mkdir dir="${directory}" mode="0777"/>
+                    </then>
+                    <else>
+                        <mkdir dir="${directory}" mode="0775"/>
+                    </else>
+                </if>
+            </then>
+        </if>
+    </target>
+
     <!-- Project Install/update vendors -->
     <target name="app:vendors" description="Installs / updates vendors">
-        <echo msg="Installing / updating vendors..." />
+        <echo msg="Installing / updating vendors..."/>
 
         <if>
             <istrue value="${composer.self-update}"/>
@@ -63,36 +132,76 @@
             </then>
         </if>
 
-        <if>
-            <istrue value="${composer.validate}"/>
-            <then>
-                <composer php="${composer.php}" composer="${composer.path}" command="validate"/>
-            </then>
-        </if>
+        <composer php="${composer.php}" composer="${composer.path}" command="install">
+            <arg value="--optimize-autoloader"/>
+            <arg value="--prefer-dist"/>
+            <arg value="--classmap-authoritative"/>
+        </composer>
+    </target>
+
+    <!-- Clearing cache -->
+    <target name="app:cache" description="Clears project cache and logs">
+        <echo msg="Clearing cache..."/>
 
         <if>
-            <equals arg1="${env}" arg2="prod" />
+            <istrue value="${cache.clearWithWarmup}"/>
             <then>
-                <composer php="${composer.php}" composer="${composer.path}" command="install">
-                    <arg value="--optimize-autoloader" />
-                    <arg value="--prefer-dist" />
-                    <arg value="--classmap-authoritative" />
-                </composer>
+                <echo message="...with warm up"/>
+
+                <SymfonyConsole console="bin/console" command="cache:clear">
+                    <arg name="env" value="${env}"/>
+                </SymfonyConsole>
             </then>
             <else>
-                <composer php="${composer.php}" composer="${composer.path}" command="install" />
+                <echo message="...without warm up"/>
+
+                <SymfonyConsole console="bin/console" command="cache:clear">
+                    <arg name="env" value="${env}"/>
+                    <arg name="no-warmup"/>
+                </SymfonyConsole>
             </else>
         </if>
     </target>
 
+    <!-- Clearing cache (faster) -->
+    <target name="app:cache:faster" description="Clears project cache and logs (faster)">
+        <echo msg="Clearing cache (faster)..."/>
+
+        <SymfonyConsole console="bin/console" command="cache:clear">
+            <arg name="env" value="${env}"/>
+            <arg name="no-optional-warmers"/>
+        </SymfonyConsole>
+    </target>
+
+    <!-- Warming up cache -->
+    <target name="app:cache:warmup" description="Warms up project cache">
+        <echo msg="Warming up cache..."/>
+
+        <SymfonyConsole console="bin/console" command="cache:warmup">
+            <arg name="env" value="${env}"/>
+        </SymfonyConsole>
+    </target>
+
+    <!-- Setting permissions of given directory -->
+    <target name="app:permissions" description="Sets permissions of one of the core directories">
+        <if>
+            <not>
+                <os family="windows"/>
+            </not>
+            <then>
+                <exec command="chmod -R 777 ${directory}/*"/>
+            </then>
+        </if>
+    </target>
+
     <!-- Checkout and finalization -->
     <target name="app:checkout">
         <tstamp>
-            <format property="date_end" pattern="%Y-%m-%d %H:%M" />
+            <format property="date_end" pattern="%Y-%m-%d %H:%M"/>
         </tstamp>
 
-        <echo msg="------------------------------------" />
-        <echo msg="Build finished at: ${date_end}" />
-        <echo msg="------------------------------------" />
+        <echo msg="------------------------------------"/>
+        <echo msg="Build finished at: ${date_end}"/>
+        <echo msg="------------------------------------"/>
     </target>
 </project>
diff --git a/phing/filesets.xml b/phing/filesets.xml
new file mode 100644
index 0000000..13dcb7f
--- /dev/null
+++ b/phing/filesets.xml
@@ -0,0 +1,35 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project name="Meritoo Package" basedir="." default="build:main" phingVersion="2.16.0">
+    <!-- Filesets -->
+    <fileset id="cache" dir="${dir.cache}">
+        <include name="**/*"/>
+        <exclude name=".gitkeep"/>
+    </fileset>
+    <fileset id="logs" dir="${dir.logs}">
+        <include name="**/*"/>
+        <exclude name=".gitkeep"/>
+    </fileset>
+    <fileset id="sessions" dir="${dir.sessions}">
+        <include name="**/*"/>
+        <exclude name=".gitkeep"/>
+    </fileset>
+
+    <!-- Directories to check -->
+    <property name="directoriesToCheck" value="
+        ${dir.cache},
+        ${dir.logs},
+        ${dir.sessions},
+        ${dir.data.tests},
+        ${dir.data.temporary},
+        ${dir.docker.data},
+        ${dir.docker.logs}"
+    />
+
+    <!-- Directories to empty -->
+    <property name="directoriesToEmpty" value="
+        ${dir.cache},
+        ${dir.logs},
+        ${dir.sessions},
+        ${dir.data.temporary}"
+    />
+</project>
diff --git a/phing/properties.dist b/phing/properties.dist
index dc0463c..5d0307e 100644
--- a/phing/properties.dist
+++ b/phing/properties.dist
@@ -9,7 +9,7 @@
 # not special chars. This way you can create pseudo-namespaces
 #
 # You can refer to values of other properties by enclosing their keys in "${}".
-# Example: dir.js = ${dir.web}/js
+# Example: dir.js = ${dir.public}/js
 #
 # Everything behind the equal sign is the value, you do
 # not have to enclose strings: text=This is some text, Your OS is ${php.os}
@@ -22,10 +22,6 @@
 #
 env = dev
 
-# Install assets using symlinks
-#
-assets.installWithSymlink = true
-
 # Clear cache with the "warmup" option
 #
 # The cache:clear command should always be called with the --no-warmup option. Warmup should be done via the cache:warmup command.
@@ -45,7 +41,6 @@ composer.download_command = php -r "eval('?>'.file_get_contents('https://getcomp
 # Path to composer executable or composer.phar file
 #
 composer.path = composer.phar
-#composer.path = /usr/local/bin/composer
 
 # Path to php executable used by composer
 #
@@ -55,52 +50,49 @@ composer.php = php
 #
 composer.self-update = false
 
-# Validate the composer.json file
-#
-composer.validate = false
-
 # --------------------------------------------------------------------------------
 # Directories
 # --------------------------------------------------------------------------------
 
 # System directories
 #
-dir.data = ${project.basedir}/data
 dir.src = ${project.basedir}/src
+dir.var = ${project.basedir}/tests/Resources/var
+dir.cache = ${dir.var}/cache
+dir.logs = ${dir.var}/log
+dir.sessions = ${dir.var}/sessions
+dir.data = ${project.basedir}/data
 dir.tests = ${project.basedir}/tests
 
-# --------------------------------------------------------------------------------
 # Build directories
-# --------------------------------------------------------------------------------
-
+#
 dir.build = ${project.basedir}/build
 dir.reports = ${dir.build}/logs
 dir.reports.pdepend = ${dir.reports}/pdepend
-dir.reports.coverage = ${dir.reports}/phpunit_coverage
-#
-# Disabled, because unnecessary right now
-# phpdocumentor/phpdocumentor cannot be installed via Composer
-#
-# Meritoo <github@meritoo.pl>
-# 2017-02-22
-#
-#dir.docs = ${dir.build}/docs
-#dir.docs.phpdoc2 = ${dir.docs}/phpdoc2
 
-# --------------------------------------------------------------------------------
 # Data directories
-# --------------------------------------------------------------------------------
-
+#
+dir.data.tests = ${dir.data}/tests
 dir.data.temporary = ${dir.data}/tmp
 
+# Docker directories
+#
+dir.docker = ${project.basedir}/docker
+dir.docker.data = ${dir.docker}/data/db
+dir.docker.logs = ${dir.docker}/logs/nginx
+
 # --------------------------------------------------------------------------------
 # Testing
 # --------------------------------------------------------------------------------
 
+# Path of the PHP Coding Standards Fixer (http://cs.sensiolabs.org)
+#
+tests.cs_fixer.path = ./vendor/bin/php-cs-fixer
+
+# Test database path
+#
+tests.database = ${dir.data.temporary}/database.sqlite
+
 # Path of the framework used to run unit tests
 #
 tests.framework.path = ./vendor/bin/phpunit --verbose --no-coverage --testdox
-
-# Path of the PHP Coding Standards Fixer (http://cs.sensiolabs.org)
-#
-phpCsFixer.path = ./vendor/bin/php-cs-fixer
diff --git a/phing/tests.xml b/phing/tests.xml
index edd288b..6eba11b 100644
--- a/phing/tests.xml
+++ b/phing/tests.xml
@@ -62,8 +62,8 @@
         -->
 
         <exec
-            passthru="true"
-            command="${phpCsFixer.path} fix --verbose"
+                passthru="true"
+                command="${tests.cs_fixer.path} fix --verbose"
         />
     </target>
 
@@ -212,7 +212,7 @@
     </target>
 
     <!-- Unit tests -->
-    <target name="test:unit" description="Executes unit tests">
+    <target name="test:unit" description="Runs unit tests">
         <echo msg="Running unit tests..." />
         <exec command="${tests.framework.path}" passthru="true"/>
     </target>
diff --git a/tests/Resources/var/cache/.gitkeep b/tests/Resources/var/cache/.gitkeep
new file mode 100644
index 0000000..e69de29
diff --git a/tests/Resources/var/log/.gitkeep b/tests/Resources/var/log/.gitkeep
new file mode 100644
index 0000000..e69de29
diff --git a/tests/Resources/var/sessions/.gitkeep b/tests/Resources/var/sessions/.gitkeep
new file mode 100644
index 0000000..e69de29