diff --git a/README.md b/README.md
index dbcf1de7..d8036288 100644
--- a/README.md
+++ b/README.md
@@ -5,21 +5,22 @@ Bakame.csv
 
 A simple library to easily load, manipulate and save CSV files in PHP 5.4+
 
-This package is compliant with [PSR-0][], [PSR-1][], and [PSR-2][].
+This package is compliant with [PSR-1][], [PSR-2][], and [PSR-4][].
 
-[PSR-0]: https://github.com/php-fig/fig-standards/blob/master/accepted/PSR-0.md
 [PSR-1]: https://github.com/php-fig/fig-standards/blob/master/accepted/PSR-1-basic-coding-standard.md
 [PSR-2]: https://github.com/php-fig/fig-standards/blob/master/accepted/PSR-2-coding-style-guide.md
+[PSR-4]: https://github.com/php-fig/fig-standards/blob/master/accepted/PSR-4-autoloader.md
+
 
 System Requirements
 -------
 
 You need **PHP >= 5.4.0** and the `mbstring` extension to use `Bakame\Csv` but the latest stable version of PHP is recommended.
 
-Installation
+Install
 -------
 
-You may install the Bakame.csv package with Composer (recommended) or manually.
+Install the Bakame.csv package with Composer.
 
 ```json
 {
@@ -29,10 +30,6 @@ You may install the Bakame.csv package with Composer (recommended) or manually.
 }
 ```
 
-**Manual Install:**
-
-Download and extract the library in a specific directory, then add `'/path/to/Bakame/Csv/src'` to your PSR-0 compliant autoloader.
-
 Usage
 -------
 
@@ -197,7 +194,7 @@ $data = $reader->fetchAssoc(['firstname', 'lastname', 'email']);
 // ]
 // 
 ```
-> 
+
 > * If the number of values in a CSV row is lesser than the number of named keys, the method will add `null` values to compensate for the missing values.
 > * If the number of values in a CSV row is greater that the number of named keys the exceeding values will be drop from the result set.
 
@@ -403,3 +400,5 @@ Credits
 
 - [ignace nyamagana butera](https://github.com/nyamsprod)
 - [All Contributors](graphs/contributors)
+
+[![Bitdeli Badge](https://d2weczhvl823v0.cloudfront.net/nyamsprod/bakame.csv/trend.png)](https://bitdeli.com/free "Bitdeli Badge")
\ No newline at end of file
diff --git a/composer.json b/composer.json
index d84e9c2c..8f7eb4c6 100644
--- a/composer.json
+++ b/composer.json
@@ -17,8 +17,9 @@
         "ext-mbstring" : "*"
     },
     "autoload": {
-        "psr-0": {
-            "Bakame": ["src", "test"]
+        "psr-4": {
+            "Bakame\\Csv\\": "src",
+            "Bakame\\CSv\\": "test"
         }
     }
-}
\ No newline at end of file
+}
diff --git a/phpunit.xml b/phpunit.xml
index a6e7dd58..55cd7584 100644
--- a/phpunit.xml
+++ b/phpunit.xml
@@ -13,13 +13,13 @@
     
     <testsuites>
         <testsuite name="Bakame CSV Test Suite">
-            <directory>test/Bakame</directory>
+            <directory>test</directory>
         </testsuite>
     </testsuites>
 
     <filter>
         <whitelist>
-            <directory suffix=".php">src/Bakame</directory>
+            <directory suffix=".php">src/</directory>
         </whitelist>
     </filter>
 
diff --git a/src/Bakame/Csv/AbstractCsv.php b/src/AbstractCsv.php
similarity index 100%
rename from src/Bakame/Csv/AbstractCsv.php
rename to src/AbstractCsv.php
diff --git a/src/Bakame/Csv/Iterator/IteratorQuery.php b/src/Iterator/IteratorQuery.php
similarity index 100%
rename from src/Bakame/Csv/Iterator/IteratorQuery.php
rename to src/Iterator/IteratorQuery.php
diff --git a/src/Bakame/Csv/Iterator/MapIterator.php b/src/Iterator/MapIterator.php
similarity index 100%
rename from src/Bakame/Csv/Iterator/MapIterator.php
rename to src/Iterator/MapIterator.php
diff --git a/src/Bakame/Csv/Reader.php b/src/Reader.php
similarity index 100%
rename from src/Bakame/Csv/Reader.php
rename to src/Reader.php
diff --git a/src/Bakame/Csv/Writer.php b/src/Writer.php
similarity index 100%
rename from src/Bakame/Csv/Writer.php
rename to src/Writer.php
diff --git a/test/Bakame/Csv/CsvTest.php b/test/CsvTest.php
similarity index 100%
rename from test/Bakame/Csv/CsvTest.php
rename to test/CsvTest.php
diff --git a/test/Bakame/Csv/Iterator/IteratorQueryTest.php b/test/Iterator/IteratorQueryTest.php
similarity index 100%
rename from test/Bakame/Csv/Iterator/IteratorQueryTest.php
rename to test/Iterator/IteratorQueryTest.php
diff --git a/test/Bakame/Csv/ReaderTest.php b/test/ReaderTest.php
similarity index 100%
rename from test/Bakame/Csv/ReaderTest.php
rename to test/ReaderTest.php
diff --git a/test/Bakame/Csv/WriterTest.php b/test/WriterTest.php
similarity index 100%
rename from test/Bakame/Csv/WriterTest.php
rename to test/WriterTest.php
diff --git a/test/Bakame/Csv/data/prenoms.csv b/test/data/prenoms.csv
similarity index 100%
rename from test/Bakame/Csv/data/prenoms.csv
rename to test/data/prenoms.csv
diff --git a/test/Bakame/Csv/foo.csv b/test/foo.csv
similarity index 100%
rename from test/Bakame/Csv/foo.csv
rename to test/foo.csv