diff --git a/src/AdamWathan/EloquentOAuth/OAuthIdentity.php b/src/AdamWathan/EloquentOAuth/OAuthIdentity.php
index ea628ae..d4924fc 100644
--- a/src/AdamWathan/EloquentOAuth/OAuthIdentity.php
+++ b/src/AdamWathan/EloquentOAuth/OAuthIdentity.php
@@ -5,15 +5,15 @@
 
 class OAuthIdentity extends Eloquent
 {
-	protected static $configuredTable = 'oauth_identities';
+    protected static $configuredTable = 'oauth_identities';
 
-	public static function configureTable($table)
-	{
-		static::$configuredTable = $table;
-	}
+    public static function configureTable($table)
+    {
+        static::$configuredTable = $table;
+    }
 
-	public function getTable()
-	{
-		return static::$configuredTable;
-	}
+    public function getTable()
+    {
+        return static::$configuredTable;
+    }
 }
diff --git a/src/AdamWathan/EloquentOAuth/ProviderUserDetails.php b/src/AdamWathan/EloquentOAuth/ProviderUserDetails.php
index 7317e30..5f13a12 100644
--- a/src/AdamWathan/EloquentOAuth/ProviderUserDetails.php
+++ b/src/AdamWathan/EloquentOAuth/ProviderUserDetails.php
@@ -11,30 +11,30 @@
  */
 class ProviderUserDetails
 {
-	protected $details = array(
-		'accessToken' => null,
-		'userId' => null,
-		'nickname' => null,
-		'firstName' => null,
-		'lastName' => null,
-		'email' => null,
-		'imageUrl' => null,
-	);
+    protected $details = array(
+        'accessToken' => null,
+        'userId' => null,
+        'nickname' => null,
+        'firstName' => null,
+        'lastName' => null,
+        'email' => null,
+        'imageUrl' => null,
+    );
 
-	public function __construct($details)
-	{
-		$this->addDetails($details);
-	}
+    public function __construct($details)
+    {
+        $this->addDetails($details);
+    }
 
-	protected function addDetails($details = array())
-	{
-		foreach ($details as $key => $value) {
-			$this->details[$key] = $value;
-		}
-	}
+    protected function addDetails($details = array())
+    {
+        foreach ($details as $key => $value) {
+            $this->details[$key] = $value;
+        }
+    }
 
-	public function __get($key)
-	{
-		return isset($this->details[$key]) ? $this->details[$key] : null;
-	}
+    public function __get($key)
+    {
+        return isset($this->details[$key]) ? $this->details[$key] : null;
+    }
 }
diff --git a/src/AdamWathan/EloquentOAuth/Providers/FacebookProvider.php b/src/AdamWathan/EloquentOAuth/Providers/FacebookProvider.php
index 5a65478..98c1bc5 100644
--- a/src/AdamWathan/EloquentOAuth/Providers/FacebookProvider.php
+++ b/src/AdamWathan/EloquentOAuth/Providers/FacebookProvider.php
@@ -4,69 +4,69 @@
 
 class FacebookProvider extends Provider
 {
-	protected $authorizeUrl = "https://www.facebook.com/dialog/oauth";
-	protected $accessTokenUrl = "https://graph.facebook.com/oauth/access_token";
-	protected $userDataUrl = "https://graph.facebook.com/me";
-	protected $scope = array(
+    protected $authorizeUrl = "https://www.facebook.com/dialog/oauth";
+    protected $accessTokenUrl = "https://graph.facebook.com/oauth/access_token";
+    protected $userDataUrl = "https://graph.facebook.com/me";
+    protected $scope = array(
         'email',
-	);
+    );
 
-	protected function getAuthorizeUrl()
-	{
-		return $this->authorizeUrl;
-	}
+    protected function getAuthorizeUrl()
+    {
+        return $this->authorizeUrl;
+    }
 
-	protected function getAccessTokenBaseUrl()
-	{
-		return $this->accessTokenUrl;
-	}
+    protected function getAccessTokenBaseUrl()
+    {
+        return $this->accessTokenUrl;
+    }
 
-	protected function getUserDataUrl()
-	{
-		return $this->userDataUrl;
-	}
+    protected function getUserDataUrl()
+    {
+        return $this->userDataUrl;
+    }
 
-	protected function parseTokenResponse($response)
-	{
-		parse_str($response);
-		if (! isset($access_token)) {
-			throw new InvalidAuthorizationCodeException;
-		}
-		return $access_token;
-	}
+    protected function parseTokenResponse($response)
+    {
+        parse_str($response);
+        if (! isset($access_token)) {
+            throw new InvalidAuthorizationCodeException;
+        }
+        return $access_token;
+    }
 
-	protected function parseUserDataResponse($response)
-	{
-		return json_decode($response, true);
-	}
+    protected function parseUserDataResponse($response)
+    {
+        return json_decode($response, true);
+    }
 
-	protected function userId()
-	{
-		return $this->getProviderUserData('id');
-	}
+    protected function userId()
+    {
+        return $this->getProviderUserData('id');
+    }
 
-	protected function nickname()
-	{
-		return $this->getProviderUserData('username');
-	}
+    protected function nickname()
+    {
+        return $this->getProviderUserData('username');
+    }
 
-	protected function firstName()
-	{
-		return $this->getProviderUserData('first_name');
-	}
+    protected function firstName()
+    {
+        return $this->getProviderUserData('first_name');
+    }
 
-	protected function lastName()
-	{
-		return $this->getProviderUserData('last_name');
-	}
+    protected function lastName()
+    {
+        return $this->getProviderUserData('last_name');
+    }
 
-	protected function imageUrl()
-	{
-		return 'https://graph.facebook.com/'.$this->userId().'/picture';
-	}
+    protected function imageUrl()
+    {
+        return 'https://graph.facebook.com/'.$this->userId().'/picture';
+    }
 
-	protected function email()
-	{
-		return $this->getProviderUserData('email');
-	}
+    protected function email()
+    {
+        return $this->getProviderUserData('email');
+    }
 }
diff --git a/src/AdamWathan/EloquentOAuth/Providers/GitHubProvider.php b/src/AdamWathan/EloquentOAuth/Providers/GitHubProvider.php
index 6da40d5..6e00d92 100644
--- a/src/AdamWathan/EloquentOAuth/Providers/GitHubProvider.php
+++ b/src/AdamWathan/EloquentOAuth/Providers/GitHubProvider.php
@@ -4,114 +4,114 @@
 
 class GitHubProvider extends Provider
 {
-	protected $authorizeUrl = "https://github.com/login/oauth/authorize";
-	protected $accessTokenUrl = "https://github.com/login/oauth/access_token";
-	protected $userDataUrl = "https://api.github.com/user";
-	protected $scope = array(
+    protected $authorizeUrl = "https://github.com/login/oauth/authorize";
+    protected $accessTokenUrl = "https://github.com/login/oauth/access_token";
+    protected $userDataUrl = "https://api.github.com/user";
+    protected $scope = array(
         'user:email',
-	);
-
-	protected $headers = array(
-		'authorize' => array(),
-		'access_token' => array(
-			'Accept' => 'application/json'
-		),
-		'user_details' => array(
-			'Accept' => 'application/vnd.github.v3'
-		),
-	);
-
-	protected function getAuthorizeUrl()
-	{
-		return $this->authorizeUrl;
-	}
-
-	protected function getAccessTokenBaseUrl()
-	{
-		return $this->accessTokenUrl;
-	}
-
-	protected function getUserDataUrl()
-	{
-		return $this->userDataUrl;
-	}
-
-	protected function parseTokenResponse($response)
-	{
-		return $this->parseJsonTokenResponse($response);
-	}
-
-	protected function requestUserData()
-	{
-		$userData = parent::requestUserData();
-		$userData['email'] = $this->requestEmail();
-		return $userData;
-	}
-
-	protected function requestEmail()
-	{
-		$url = $this->getEmailUrl();
-		$emails = $this->getJson($url, $this->headers['user_details']);
-		return $this->getPrimaryEmail($emails);
-	}
-
-	protected function getEmailUrl()
-	{
-		$url = $this->getUserDataUrl() .'/emails';
-		$url .= "?access_token=".$this->accessToken;
-		return $url;
-	}
-
-	public function getJson($url, $headers)
-	{
-		$request = $this->httpClient->get($url, $headers);
-		$response = $request->send();
-		return $response->json();
-	}
-
-	protected function getPrimaryEmail($emails)
-	{
-		foreach ($emails as $email) {
-			if ($email['primary']) {
-				return $email['email'];
-			}
-		}
-		return $emails[0]['email'];
-	}
-
-	protected function parseUserDataResponse($response)
-	{
-		$data = json_decode($response, true);
-		return $data;
-	}
-
-	protected function userId()
-	{
-		return $this->getProviderUserData('id');
-	}
-
-	protected function nickname()
-	{
-		return $this->getProviderUserData('login');
-	}
-
-	protected function firstName()
-	{
-		return strstr($this->getProviderUserData('name'), ' ', true);
-	}
-
-	protected function lastName()
-	{
-		return substr(strstr($this->getProviderUserData('name'), ' '), 1);
-	}
-
-	protected function imageUrl()
-	{
-		return $this->getProviderUserData('avatar_url');
-	}
-
-	protected function email()
-	{
-		return $this->getProviderUserData('email');
-	}
+    );
+
+    protected $headers = array(
+        'authorize' => array(),
+        'access_token' => array(
+            'Accept' => 'application/json'
+        ),
+        'user_details' => array(
+            'Accept' => 'application/vnd.github.v3'
+        ),
+    );
+
+    protected function getAuthorizeUrl()
+    {
+        return $this->authorizeUrl;
+    }
+
+    protected function getAccessTokenBaseUrl()
+    {
+        return $this->accessTokenUrl;
+    }
+
+    protected function getUserDataUrl()
+    {
+        return $this->userDataUrl;
+    }
+
+    protected function parseTokenResponse($response)
+    {
+        return $this->parseJsonTokenResponse($response);
+    }
+
+    protected function requestUserData()
+    {
+        $userData = parent::requestUserData();
+        $userData['email'] = $this->requestEmail();
+        return $userData;
+    }
+
+    protected function requestEmail()
+    {
+        $url = $this->getEmailUrl();
+        $emails = $this->getJson($url, $this->headers['user_details']);
+        return $this->getPrimaryEmail($emails);
+    }
+
+    protected function getEmailUrl()
+    {
+        $url = $this->getUserDataUrl() .'/emails';
+        $url .= "?access_token=".$this->accessToken;
+        return $url;
+    }
+
+    public function getJson($url, $headers)
+    {
+        $request = $this->httpClient->get($url, $headers);
+        $response = $request->send();
+        return $response->json();
+    }
+
+    protected function getPrimaryEmail($emails)
+    {
+        foreach ($emails as $email) {
+            if ($email['primary']) {
+                return $email['email'];
+            }
+        }
+        return $emails[0]['email'];
+    }
+
+    protected function parseUserDataResponse($response)
+    {
+        $data = json_decode($response, true);
+        return $data;
+    }
+
+    protected function userId()
+    {
+        return $this->getProviderUserData('id');
+    }
+
+    protected function nickname()
+    {
+        return $this->getProviderUserData('login');
+    }
+
+    protected function firstName()
+    {
+        return strstr($this->getProviderUserData('name'), ' ', true);
+    }
+
+    protected function lastName()
+    {
+        return substr(strstr($this->getProviderUserData('name'), ' '), 1);
+    }
+
+    protected function imageUrl()
+    {
+        return $this->getProviderUserData('avatar_url');
+    }
+
+    protected function email()
+    {
+        return $this->getProviderUserData('email');
+    }
 }
diff --git a/src/AdamWathan/EloquentOAuth/Providers/GoogleProvider.php b/src/AdamWathan/EloquentOAuth/Providers/GoogleProvider.php
index 172a229..49b6261 100644
--- a/src/AdamWathan/EloquentOAuth/Providers/GoogleProvider.php
+++ b/src/AdamWathan/EloquentOAuth/Providers/GoogleProvider.php
@@ -4,79 +4,79 @@
 
 class GoogleProvider extends Provider
 {
-	protected $authorizeUrl = "https://accounts.google.com/o/oauth2/auth";
-	protected $accessTokenUrl = "https://accounts.google.com/o/oauth2/token";
-	protected $userDataUrl = "https://www.googleapis.com/userinfo/v2/me";
-	protected $scope = array(
+    protected $authorizeUrl = "https://accounts.google.com/o/oauth2/auth";
+    protected $accessTokenUrl = "https://accounts.google.com/o/oauth2/token";
+    protected $userDataUrl = "https://www.googleapis.com/userinfo/v2/me";
+    protected $scope = array(
         'https://www.googleapis.com/auth/userinfo.profile',
         'https://www.googleapis.com/auth/userinfo.email',
     );
 
-	protected $headers = array(
-		'authorize' => array(),
-		'access_token' => array(
-			'Content-Type' => 'application/x-www-form-urlencoded'
-		),
-		'user_details' => array(),
-	);
+    protected $headers = array(
+        'authorize' => array(),
+        'access_token' => array(
+            'Content-Type' => 'application/x-www-form-urlencoded'
+        ),
+        'user_details' => array(),
+    );
 
-	protected function compileScopes()
-	{
-		return implode(' ', $this->scope);
-	}
+    protected function compileScopes()
+    {
+        return implode(' ', $this->scope);
+    }
 
-	protected function getAuthorizeUrl()
-	{
-		return $this->authorizeUrl;
-	}
+    protected function getAuthorizeUrl()
+    {
+        return $this->authorizeUrl;
+    }
 
-	protected function getAccessTokenBaseUrl()
-	{
-		return $this->accessTokenUrl;
-	}
+    protected function getAccessTokenBaseUrl()
+    {
+        return $this->accessTokenUrl;
+    }
 
-	protected function getUserDataUrl()
-	{
-		return $this->userDataUrl;
-	}
+    protected function getUserDataUrl()
+    {
+        return $this->userDataUrl;
+    }
 
-	protected function parseTokenResponse($response)
-	{
-		return $this->parseJsonTokenResponse($response);
-	}
+    protected function parseTokenResponse($response)
+    {
+        return $this->parseJsonTokenResponse($response);
+    }
 
-	protected function parseUserDataResponse($response)
-	{
-		return json_decode($response, true);
-	}
+    protected function parseUserDataResponse($response)
+    {
+        return json_decode($response, true);
+    }
 
-	protected function userId()
-	{
-		return $this->getProviderUserData('id');
-	}
+    protected function userId()
+    {
+        return $this->getProviderUserData('id');
+    }
 
-	protected function nickname()
-	{
-		return $this->getProviderUserData('email');
-	}
+    protected function nickname()
+    {
+        return $this->getProviderUserData('email');
+    }
 
-	protected function firstName()
-	{
-		return $this->getProviderUserData('given_name');
-	}
+    protected function firstName()
+    {
+        return $this->getProviderUserData('given_name');
+    }
 
-	protected function lastName()
-	{
-		return $this->getProviderUserData('family_name');
-	}
+    protected function lastName()
+    {
+        return $this->getProviderUserData('family_name');
+    }
 
-	protected function imageUrl()
-	{
-		return $this->getProviderUserData('picture');
-	}
+    protected function imageUrl()
+    {
+        return $this->getProviderUserData('picture');
+    }
 
-	protected function email()
-	{
-		return $this->getProviderUserData('email');
-	}
+    protected function email()
+    {
+        return $this->getProviderUserData('email');
+    }
 }
diff --git a/src/AdamWathan/EloquentOAuth/Providers/InstagramProvider.php b/src/AdamWathan/EloquentOAuth/Providers/InstagramProvider.php
index 575f8ea..372f4e8 100644
--- a/src/AdamWathan/EloquentOAuth/Providers/InstagramProvider.php
+++ b/src/AdamWathan/EloquentOAuth/Providers/InstagramProvider.php
@@ -4,77 +4,77 @@
 
 class InstagramProvider extends Provider
 {
-	protected $authorizeUrl = "https://api.instagram.com/oauth/authorize";
-	protected $accessTokenUrl = "https://api.instagram.com/oauth/access_token";
-	protected $userDataUrl = "https://api.instagram.com/v1/users/self";
-	protected $scope = array(
+    protected $authorizeUrl = "https://api.instagram.com/oauth/authorize";
+    protected $accessTokenUrl = "https://api.instagram.com/oauth/access_token";
+    protected $userDataUrl = "https://api.instagram.com/v1/users/self";
+    protected $scope = array(
         'basic',
-	);
+    );
 
-	protected function getAuthorizeUrl()
-	{
-		return $this->authorizeUrl;
-	}
+    protected function getAuthorizeUrl()
+    {
+        return $this->authorizeUrl;
+    }
 
-	protected function getAccessTokenBaseUrl()
-	{
-		return $this->accessTokenUrl;
-	}
+    protected function getAccessTokenBaseUrl()
+    {
+        return $this->accessTokenUrl;
+    }
 
-	protected function getUserDataUrl()
-	{
-		return $this->userDataUrl;
-	}
+    protected function getUserDataUrl()
+    {
+        return $this->userDataUrl;
+    }
 
-	protected function compileScopes()
-	{
-		return implode('+', $this->scope);
-	}
+    protected function compileScopes()
+    {
+        return implode('+', $this->scope);
+    }
 
-	protected function parseTokenResponse($response)
-	{
-		return $this->parseJsonTokenResponse($response);
-	}
+    protected function parseTokenResponse($response)
+    {
+        return $this->parseJsonTokenResponse($response);
+    }
 
-	protected function requestUserData()
-	{
-		$userData = parent::requestUserData();
-		return $userData;
-	}
+    protected function requestUserData()
+    {
+        $userData = parent::requestUserData();
+        return $userData;
+    }
 
-	protected function parseUserDataResponse($response)
-	{
-		$data = json_decode($response, true);
-		return $data['data'];
-	}
+    protected function parseUserDataResponse($response)
+    {
+        $data = json_decode($response, true);
+        return $data['data'];
+    }
 
-	protected function userId()
-	{
-		return $this->getProviderUserData('id');
-	}
+    protected function userId()
+    {
+        return $this->getProviderUserData('id');
+    }
 
-	protected function nickname()
-	{
-		return $this->getProviderUserData('username');
-	}
+    protected function nickname()
+    {
+        return $this->getProviderUserData('username');
+    }
 
-	protected function firstName()
-	{
-		return strstr($this->getProviderUserData('full_name'), ' ', true);
-	}
+    protected function firstName()
+    {
+        return strstr($this->getProviderUserData('full_name'), ' ', true);
+    }
 
-	protected function lastName()
-	{
-		return substr(strstr($this->getProviderUserData('full_name'), ' '), 1);
-	}
+    protected function lastName()
+    {
+        return substr(strstr($this->getProviderUserData('full_name'), ' '), 1);
+    }
 
-	protected function imageUrl()
-	{
-		return $this->getProviderUserData('profile_picture');
-	}
+    protected function imageUrl()
+    {
+        return $this->getProviderUserData('profile_picture');
+    }
 
-	protected function email()
-	{
-		return null; // Impossible to get email from Instagram
-	}
+    protected function email()
+    {
+        return null; // Impossible to get email from Instagram
+    }
 }
diff --git a/src/AdamWathan/EloquentOAuth/Providers/LinkedInProvider.php b/src/AdamWathan/EloquentOAuth/Providers/LinkedInProvider.php
index 2d1a303..76b699c 100644
--- a/src/AdamWathan/EloquentOAuth/Providers/LinkedInProvider.php
+++ b/src/AdamWathan/EloquentOAuth/Providers/LinkedInProvider.php
@@ -4,97 +4,97 @@
 
 class LinkedInProvider extends Provider
 {
-	protected $authorizeUrl = "https://www.linkedin.com/uas/oauth2/authorization";
-	protected $accessTokenUrl = "https://www.linkedin.com/uas/oauth2/accessToken";
-	protected $userDataUrl = "https://api.linkedin.com/v1/people/~";
-	protected $scope = array(
+    protected $authorizeUrl = "https://www.linkedin.com/uas/oauth2/authorization";
+    protected $accessTokenUrl = "https://www.linkedin.com/uas/oauth2/accessToken";
+    protected $userDataUrl = "https://api.linkedin.com/v1/people/~";
+    protected $scope = array(
         'r_basicprofile',
         'r_emailaddress',
     );
-	protected $profileFields = array(
-		'id',
-		'first-name',
-		'last-name',
-		'email-address',
-		'picture-url',
-	);
-
-	protected function compileScopes()
-	{
-		return implode(' ', $this->scope);
-	}
-
-	protected function getAuthorizeUrl()
-	{
-		return $this->authorizeUrl;
-	}
-
-	protected function getAccessTokenBaseUrl()
-	{
-		$queryString = "code=".$this->getAuthorizationCode();
-		$queryString .= "&client_id=".$this->clientId;
-		$queryString .= "&client_secret=".$this->clientSecret;
-		$queryString .= "&redirect_uri=".$this->redirectUri();
-		$queryString .= "&grant_type=authorization_code";
-		return $this->accessTokenUrl ."?" . $queryString;
-	}
-
-	protected function getUserDataUrl()
-	{
-		return $this->userDataUrl;
-	}
-
-	protected function parseTokenResponse($response)
-	{
-		return $this->parseJsonTokenResponse($response);
-	}
-
-	protected function buildUserDataUrl()
-	{
-		$url = $this->getUserDataUrl();
-		$url .= ':('.$this->compileProfileFields().')';
-		$url .= '?format=json';
-		$url .= "&oauth2_access_token=".$this->accessToken;
-		return $url;
-	}
-
-	protected function compileProfileFields()
-	{
-		return implode(',', $this->profileFields);
-	}
-
-	protected function parseUserDataResponse($response)
-	{
-		return json_decode($response, true);
-	}
-
-	protected function userId()
-	{
-		return $this->getProviderUserData('id');
-	}
-
-	protected function nickname()
-	{
-		return $this->getProviderUserData('emailAddress');
-	}
-
-	protected function firstName()
-	{
-		return $this->getProviderUserData('firstName');
-	}
-
-	protected function lastName()
-	{
-		return $this->getProviderUserData('lastName');
-	}
-
-	protected function imageUrl()
-	{
-		return $this->getProviderUserData('pictureUrl');
-	}
-
-	protected function email()
-	{
-		return $this->getProviderUserData('emailAddress');
-	}
+    protected $profileFields = array(
+        'id',
+        'first-name',
+        'last-name',
+        'email-address',
+        'picture-url',
+    );
+
+    protected function compileScopes()
+    {
+        return implode(' ', $this->scope);
+    }
+
+    protected function getAuthorizeUrl()
+    {
+        return $this->authorizeUrl;
+    }
+
+    protected function getAccessTokenBaseUrl()
+    {
+        $queryString = "code=".$this->getAuthorizationCode();
+        $queryString .= "&client_id=".$this->clientId;
+        $queryString .= "&client_secret=".$this->clientSecret;
+        $queryString .= "&redirect_uri=".$this->redirectUri();
+        $queryString .= "&grant_type=authorization_code";
+        return $this->accessTokenUrl ."?" . $queryString;
+    }
+
+    protected function getUserDataUrl()
+    {
+        return $this->userDataUrl;
+    }
+
+    protected function parseTokenResponse($response)
+    {
+        return $this->parseJsonTokenResponse($response);
+    }
+
+    protected function buildUserDataUrl()
+    {
+        $url = $this->getUserDataUrl();
+        $url .= ':('.$this->compileProfileFields().')';
+        $url .= '?format=json';
+        $url .= "&oauth2_access_token=".$this->accessToken;
+        return $url;
+    }
+
+    protected function compileProfileFields()
+    {
+        return implode(',', $this->profileFields);
+    }
+
+    protected function parseUserDataResponse($response)
+    {
+        return json_decode($response, true);
+    }
+
+    protected function userId()
+    {
+        return $this->getProviderUserData('id');
+    }
+
+    protected function nickname()
+    {
+        return $this->getProviderUserData('emailAddress');
+    }
+
+    protected function firstName()
+    {
+        return $this->getProviderUserData('firstName');
+    }
+
+    protected function lastName()
+    {
+        return $this->getProviderUserData('lastName');
+    }
+
+    protected function imageUrl()
+    {
+        return $this->getProviderUserData('pictureUrl');
+    }
+
+    protected function email()
+    {
+        return $this->getProviderUserData('emailAddress');
+    }
 }
diff --git a/src/AdamWathan/EloquentOAuth/Providers/Provider.php b/src/AdamWathan/EloquentOAuth/Providers/Provider.php
index 44f91af..ec66fc5 100644
--- a/src/AdamWathan/EloquentOAuth/Providers/Provider.php
+++ b/src/AdamWathan/EloquentOAuth/Providers/Provider.php
@@ -9,149 +9,149 @@
 
 abstract class Provider implements ProviderInterface
 {
-	protected $httpClient;
-	protected $input;
-	protected $clientId;
-	protected $clientSecret;
-	protected $redirectUri;
-	protected $scope = array();
-
-	protected $headers = array(
-		'authorize' => array(),
-		'access_token' => array(),
-		'user_details' => array(),
-		);
-
-	protected $accessToken;
-	protected $providerUserData;
-
-	public function __construct($config, HttpClient $httpClient, Input $input)
-	{
-		$this->httpClient = $httpClient;
-		$this->input = $input;
-		$this->clientId = $config['id'];
-		$this->clientSecret = $config['secret'];
-		$this->redirectUri = $config['redirect'];
-		if (isset($config['scope'])) {
-			$this->scope = array_merge($this->scope, $config['scope']);
-		}
-	}
-
-	public function redirectUri()
-	{
-		return $this->redirectUri;
-	}
-
-	public function authorizeUrl($state)
-	{
-		$url = $this->getAuthorizeUrl();
-		$url .= '?' . $this->buildAuthorizeQueryString($state);
-		return $url;
-	}
-
-	protected function buildAuthorizeQueryString($state)
-	{
-		$queryString = "client_id=".$this->clientId;
-		$queryString .= "&scope=".urlencode($this->compileScopes());
-		$queryString .= "&redirect_uri=".$this->redirectUri;
-		$queryString .= "&response_type=code";
-		$queryString .= "&state=".$state;
-		return $queryString;
-	}
-
-	protected function compileScopes()
-	{
-		return implode(',', $this->scope);
-	}
-
-	public function getUserDetails()
-	{
-		$this->accessToken = $this->requestAccessToken();
-		$this->providerUserData = $this->requestUserData();
-		return new UserDetails(array(
-			'accessToken' => $this->accessToken,
-			'userId' => $this->userId(),
-			'nickname' => $this->nickname(),
-			'firstName' => $this->firstName(),
-			'lastName' => $this->lastName(),
-			'email' => $this->email(),
-			'imageUrl' => $this->imageUrl(),
-			));
-	}
-
-	protected function getProviderUserData($key)
-	{
-		if (! isset($this->providerUserData[$key])) {
-			return null;
-		}
-		return $this->providerUserData[$key];
-	}
-
-	protected function requestAccessToken()
-	{
-		$url = $this->getAccessTokenBaseUrl();
-		$request = $this->httpClient->post($url, $this->headers['access_token'], $this->buildAccessTokenPostBody());
-		try {
-			$response = $request->send();
-		} catch (BadResponseException $e) {
-			throw new InvalidAuthorizationCodeException((string) $e->getResponse());
-		}
-		return $this->parseTokenResponse((string) $response->getBody());
-	}
-
-	protected function requestUserData()
-	{
-		$url = $this->buildUserDataUrl();
-		$request = $this->httpClient->get($url, $this->headers['user_details']);
-		$response = $request->send();
-		return $this->parseUserDataResponse((string) $response->getBody());
-	}
-
-	protected function buildAccessTokenPostBody()
-	{
-		$body = "code=".$this->getAuthorizationCode();
-		$body .= "&client_id=".$this->clientId;
-		$body .= "&client_secret=".$this->clientSecret;
-		$body .= "&redirect_uri=".$this->redirectUri();
-		$body .= "&grant_type=authorization_code";
-		return $body;
-	}
-
-	protected function buildUserDataUrl()
-	{
-		$url = $this->getUserDataUrl();
-		$url .= "?access_token=".$this->accessToken;
-		return $url;
-	}
-
-	protected function getAuthorizationCode()
-	{
-		if (! $this->input->has('code')) {
-			throw new ApplicationRejectedException;
-		}
-		return $this->input->get('code');
-	}
-
-	protected function parseJsonTokenResponse($response)
-	{
-		$response = json_decode($response);
-		if (! isset($response->access_token)) {
-			throw new InvalidAuthorizationCodeException;
-		}
-		return $response->access_token;
-	}
-
-	abstract protected function getAuthorizeUrl();
-	abstract protected function getAccessTokenBaseUrl();
-	abstract protected function getUserDataUrl();
-
-	abstract protected function parseTokenResponse($response);
-	abstract protected function parseUserDataResponse($response);
-
-	abstract protected function userId();
-	abstract protected function nickname();
-	abstract protected function firstName();
-	abstract protected function lastName();
-	abstract protected function email();
-	abstract protected function imageUrl();
+    protected $httpClient;
+    protected $input;
+    protected $clientId;
+    protected $clientSecret;
+    protected $redirectUri;
+    protected $scope = array();
+
+    protected $headers = array(
+        'authorize' => array(),
+        'access_token' => array(),
+        'user_details' => array(),
+        );
+
+    protected $accessToken;
+    protected $providerUserData;
+
+    public function __construct($config, HttpClient $httpClient, Input $input)
+    {
+        $this->httpClient = $httpClient;
+        $this->input = $input;
+        $this->clientId = $config['id'];
+        $this->clientSecret = $config['secret'];
+        $this->redirectUri = $config['redirect'];
+        if (isset($config['scope'])) {
+            $this->scope = array_merge($this->scope, $config['scope']);
+        }
+    }
+
+    public function redirectUri()
+    {
+        return $this->redirectUri;
+    }
+
+    public function authorizeUrl($state)
+    {
+        $url = $this->getAuthorizeUrl();
+        $url .= '?' . $this->buildAuthorizeQueryString($state);
+        return $url;
+    }
+
+    protected function buildAuthorizeQueryString($state)
+    {
+        $queryString = "client_id=".$this->clientId;
+        $queryString .= "&scope=".urlencode($this->compileScopes());
+        $queryString .= "&redirect_uri=".$this->redirectUri;
+        $queryString .= "&response_type=code";
+        $queryString .= "&state=".$state;
+        return $queryString;
+    }
+
+    protected function compileScopes()
+    {
+        return implode(',', $this->scope);
+    }
+
+    public function getUserDetails()
+    {
+        $this->accessToken = $this->requestAccessToken();
+        $this->providerUserData = $this->requestUserData();
+        return new UserDetails(array(
+            'accessToken' => $this->accessToken,
+            'userId' => $this->userId(),
+            'nickname' => $this->nickname(),
+            'firstName' => $this->firstName(),
+            'lastName' => $this->lastName(),
+            'email' => $this->email(),
+            'imageUrl' => $this->imageUrl(),
+            ));
+    }
+
+    protected function getProviderUserData($key)
+    {
+        if (! isset($this->providerUserData[$key])) {
+            return null;
+        }
+        return $this->providerUserData[$key];
+    }
+
+    protected function requestAccessToken()
+    {
+        $url = $this->getAccessTokenBaseUrl();
+        $request = $this->httpClient->post($url, $this->headers['access_token'], $this->buildAccessTokenPostBody());
+        try {
+            $response = $request->send();
+        } catch (BadResponseException $e) {
+            throw new InvalidAuthorizationCodeException((string) $e->getResponse());
+        }
+        return $this->parseTokenResponse((string) $response->getBody());
+    }
+
+    protected function requestUserData()
+    {
+        $url = $this->buildUserDataUrl();
+        $request = $this->httpClient->get($url, $this->headers['user_details']);
+        $response = $request->send();
+        return $this->parseUserDataResponse((string) $response->getBody());
+    }
+
+    protected function buildAccessTokenPostBody()
+    {
+        $body = "code=".$this->getAuthorizationCode();
+        $body .= "&client_id=".$this->clientId;
+        $body .= "&client_secret=".$this->clientSecret;
+        $body .= "&redirect_uri=".$this->redirectUri();
+        $body .= "&grant_type=authorization_code";
+        return $body;
+    }
+
+    protected function buildUserDataUrl()
+    {
+        $url = $this->getUserDataUrl();
+        $url .= "?access_token=".$this->accessToken;
+        return $url;
+    }
+
+    protected function getAuthorizationCode()
+    {
+        if (! $this->input->has('code')) {
+            throw new ApplicationRejectedException;
+        }
+        return $this->input->get('code');
+    }
+
+    protected function parseJsonTokenResponse($response)
+    {
+        $response = json_decode($response);
+        if (! isset($response->access_token)) {
+            throw new InvalidAuthorizationCodeException;
+        }
+        return $response->access_token;
+    }
+
+    abstract protected function getAuthorizeUrl();
+    abstract protected function getAccessTokenBaseUrl();
+    abstract protected function getUserDataUrl();
+
+    abstract protected function parseTokenResponse($response);
+    abstract protected function parseUserDataResponse($response);
+
+    abstract protected function userId();
+    abstract protected function nickname();
+    abstract protected function firstName();
+    abstract protected function lastName();
+    abstract protected function email();
+    abstract protected function imageUrl();
 }
diff --git a/src/AdamWathan/EloquentOAuth/Providers/ProviderInterface.php b/src/AdamWathan/EloquentOAuth/Providers/ProviderInterface.php
index 4b63ad9..e21a554 100644
--- a/src/AdamWathan/EloquentOAuth/Providers/ProviderInterface.php
+++ b/src/AdamWathan/EloquentOAuth/Providers/ProviderInterface.php
@@ -2,6 +2,6 @@
 
 interface ProviderInterface
 {
-	public function authorizeUrl($state);
-	public function getUserDetails();
+    public function authorizeUrl($state);
+    public function getUserDetails();
 }