Updated readme; updated .gitignore; added more dev deps

Author: Tom Van Herreweghe

.gitignore

@@ -1,2 +1,3 @@
 phpunit.xml
 tests/log
+vendor

README.md

@@ -1,4 +1,4 @@
-# [PHPExif v0.2](http://github.com/Miljar/php-exif) [![Build Status](https://travis-ci.org/Miljar/php-exif.png?branch=master)](https://travis-ci.org/Miljar/php-exif) [![Coverage Status](https://coveralls.io/repos/Miljar/php-exif/badge.png)](https://coveralls.io/r/Miljar/php-exif)
+# [PHPExif v0.2.1](http://github.com/Miljar/php-exif) [![Build Status](https://travis-ci.org/Miljar/php-exif.png?branch=master)](https://travis-ci.org/Miljar/php-exif) [![Coverage Status](https://coveralls.io/repos/Miljar/php-exif/badge.png)](https://coveralls.io/r/Miljar/php-exif)
 
 PHPExif is a library which gives you easy access to the EXIF meta-data of an image.
 

composer.json

@@ -16,7 +16,11 @@
     },
     "require-dev": {
         "phpunit/phpunit": "3.7.*",
-        "satooshi/php-coveralls": "~0.6"
+        "satooshi/php-coveralls": "~0.6",
+        "pdepend/pdepend": "dev-master",
+        "phpmd/phpmd": "dev-master",
+        "sebastian/phpcpd": "1.4.*@stable",
+        "squizlabs/php_codesniffer": "1.4.*@stable"
     },
     "autoload": {
         "psr-0": {