diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..688d850
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,3 @@
+.idea
+composer.lock
+vendor
\ No newline at end of file
diff --git a/composer.json b/composer.json
index 9d98c23..a227428 100644
--- a/composer.json
+++ b/composer.json
@@ -13,9 +13,10 @@
         }
     ],
     "require": {
-        "php": ">=5.3.0"
+        "php": ">=5.3.0",
+        "ext-gd": "*"
     },
     "autoload": {
-        "psr-0": { "GifCreator": "src" }
+        "psr-4": { "GifCreator\\": "src" }
     }
 }
\ No newline at end of file
diff --git a/src/GifCreator/GifCreator.php b/src/GifCreator.php
similarity index 80%
rename from src/GifCreator/GifCreator.php
rename to src/GifCreator.php
index 0726243..c932fb7 100644
--- a/src/GifCreator/GifCreator.php
+++ b/src/GifCreator.php
@@ -1,357 +1,357 @@
-<?php
-
-namespace GifCreator;
-
-/**
- * Create an animated GIF from multiple images
- * 
- * @version 1.0
- * @link https://github.com/Sybio/GifCreator
- * @author Sybio (Clément Guillemain  / @Sybio01)
- * @license http://opensource.org/licenses/gpl-license.php GNU Public License
- * @copyright Clément Guillemain
- */
-class GifCreator
-{
-    /**
-     * @var string The gif string source (old: this->GIF)
-     */
-    private $gif;
-    
-    /**
-     * @var string Encoder version (old: this->VER)
-     */
-	private $version;
-    
-    /**
-     * @var boolean Check the image is build or not (old: this->IMG)
-     */
-    private $imgBuilt;
-
-    /**
-     * @var array Frames string sources (old: this->BUF)
-     */
-	private $frameSources;
-    
-    /**
-     * @var integer Gif loop (old: this->LOP)
-     */
-	private $loop;
-    
-    /**
-     * @var integer Gif dis (old: this->DIS)
-     */
-	private $dis;
-    
-    /**
-     * @var integer Gif color (old: this->COL)
-     */
-	private $colour;
-    
-    /**
-     * @var array (old: this->ERR)
-     */
-	private $errors;
- 
-    // Methods
-    // ===================================================================================
-    
-    /**
-     * Constructor
-     */
-    public function __construct()
-    {
-        $this->reset();
-        
-        // Static data
-        $this->version = 'GifCreator: Under development';
-        $this->errors = array(
-            'ERR00' => 'Does not supported function for only one image.',
-    		'ERR01' => 'Source is not a GIF image.',
-    		'ERR02' => 'You have to give resource image variables, image URL or image binary sources in $frames array.',
-    		'ERR03' => 'Does not make animation from animated GIF source.',
-        );
-    }
-
-	/**
-     * Create the GIF string (old: GIFEncoder)
-     * 
-     * @param array $frames An array of frame: can be file paths, resource image variables, binary sources or image URLs
-     * @param array $durations An array containing the duration of each frame
-     * @param integer $loop Number of GIF loops before stopping animation (Set 0 to get an infinite loop)
-     * 
-     * @return string The GIF string source
-     */
-	public function create($frames = array(), $durations = array(), $loop = 0)
-    {
-		if (!is_array($frames) && !is_array($GIF_tim)) {
-            
-            throw new \Exception($this->version.': '.$this->errors['ERR00']);
-		}
-        
-		$this->loop = ($loop > -1) ? $loop : 0;
-		$this->dis = 2;
-        
-		for ($i = 0; $i < count($frames); $i++) {
-		  
-			if (is_resource($frames[$i])) { // Resource var
-                
-                $resourceImg = $frames[$i];
-                
-                ob_start();
-                imagegif($frames[$i]);
-                $this->frameSources[] = ob_get_contents();
-                ob_end_clean();
-                
-            } elseif (is_string($frames[$i])) { // File path or URL or Binary source code
-			     
-                if (file_exists($frames[$i]) || filter_var($frames[$i], FILTER_VALIDATE_URL)) { // File path
-                    
-                    $frames[$i] = file_get_contents($frames[$i]);                    
-                }
-                
-                $resourceImg = imagecreatefromstring($frames[$i]);
-                
-                ob_start();
-                imagegif($resourceImg);
-                $this->frameSources[] = ob_get_contents();
-                ob_end_clean();
-                 
-			} else { // Fail
-                
-                throw new \Exception($this->version.': '.$this->errors['ERR02'].' ('.$mode.')');
-			}
-            
-            if ($i == 0) {
-                
-                $colour = imagecolortransparent($resourceImg);
-            }
-            
-			if (substr($this->frameSources[$i], 0, 6) != 'GIF87a' && substr($this->frameSources[$i], 0, 6) != 'GIF89a') {
-			 
-                throw new \Exception($this->version.': '.$i.' '.$this->errors['ERR01']);
-			}
-            
-			for ($j = (13 + 3 * (2 << (ord($this->frameSources[$i] { 10 }) & 0x07))), $k = TRUE; $k; $j++) {
-			 
-				switch ($this->frameSources[$i] { $j }) {
-				    
-					case '!':
-                    
-						if ((substr($this->frameSources[$i], ($j + 3), 8)) == 'NETSCAPE') {
-                            
-                            throw new \Exception($this->version.': '.$this->errors['ERR03'].' ('.($i + 1).' source).');
-						}
-                        
-					break;
-                        
-					case ';':
-                    
-						$k = false;
-					break;
-				}
-			}
-            
-            unset($resourceImg);
-		}
-		
-        if (isset($colour)) {
-            
-            $this->colour = $colour;
-                                    
-        } else {
-            
-            $red = $green = $blue = 0;
-            $this->colour = ($red > -1 && $green > -1 && $blue > -1) ? ($red | ($green << 8) | ($blue << 16)) : -1;
-        }
-        
-		$this->gifAddHeader();
-        
-		for ($i = 0; $i < count($this->frameSources); $i++) {
-		  
-			$this->addGifFrames($i, $durations[$i]);
-		}
-        
-		$this->gifAddFooter();
-        
-        return $this->gif;
-	}
-    
-    // Internals
-    // ===================================================================================
-    
-	/**
-     * Add the header gif string in its source (old: GIFAddHeader)
-     */
-	public function gifAddHeader()
-    {
-		$cmap = 0;
-
-		if (ord($this->frameSources[0] { 10 }) & 0x80) {
-		  
-			$cmap = 3 * (2 << (ord($this->frameSources[0] { 10 }) & 0x07));
-
-			$this->gif .= substr($this->frameSources[0], 6, 7);
-			$this->gif .= substr($this->frameSources[0], 13, $cmap);
-			$this->gif .= "!\377\13NETSCAPE2.0\3\1".$this->encodeAsciiToChar($this->loop)."\0";
-		}
-	}
-    
-	/**
-     * Add the frame sources to the GIF string (old: GIFAddFrames)
-     * 
-     * @param integer $i
-     * @param integer $d
-     */
-	public function addGifFrames($i, $d)
-    {
-		$Locals_str = 13 + 3 * (2 << (ord($this->frameSources[ $i ] { 10 }) & 0x07));
-
-		$Locals_end = strlen($this->frameSources[$i]) - $Locals_str - 1;
-		$Locals_tmp = substr($this->frameSources[$i], $Locals_str, $Locals_end);
-
-		$Global_len = 2 << (ord($this->frameSources[0 ] { 10 }) & 0x07);
-		$Locals_len = 2 << (ord($this->frameSources[$i] { 10 }) & 0x07);
-
-		$Global_rgb = substr($this->frameSources[0], 13, 3 * (2 << (ord($this->frameSources[0] { 10 }) & 0x07)));
-		$Locals_rgb = substr($this->frameSources[$i], 13, 3 * (2 << (ord($this->frameSources[$i] { 10 }) & 0x07)));
-
-		$Locals_ext = "!\xF9\x04".chr(($this->dis << 2) + 0).chr(($d >> 0 ) & 0xFF).chr(($d >> 8) & 0xFF)."\x0\x0";
-
-		if ($this->colour > -1 && ord($this->frameSources[$i] { 10 }) & 0x80) {
-		  
-			for ($j = 0; $j < (2 << (ord($this->frameSources[$i] { 10 } ) & 0x07)); $j++) {
-			 
-				if (ord($Locals_rgb { 3 * $j + 0 }) == (($this->colour >> 16) & 0xFF) &&
-					ord($Locals_rgb { 3 * $j + 1 }) == (($this->colour >> 8) & 0xFF) &&
-					ord($Locals_rgb { 3 * $j + 2 }) == (($this->colour >> 0) & 0xFF)
-				) {
-					$Locals_ext = "!\xF9\x04".chr(($this->dis << 2) + 1).chr(($d >> 0) & 0xFF).chr(($d >> 8) & 0xFF).chr($j)."\x0";
-					break;
-				}
-			}
-		}
-        
-		switch ($Locals_tmp { 0 }) {
-		  
-			case '!':
-            
-				$Locals_img = substr($Locals_tmp, 8, 10);
-				$Locals_tmp = substr($Locals_tmp, 18, strlen($Locals_tmp) - 18);
-                                
-			break;
-                
-			case ',':
-            
-				$Locals_img = substr($Locals_tmp, 0, 10);
-				$Locals_tmp = substr($Locals_tmp, 10, strlen($Locals_tmp) - 10);
-                                
-			break;
-		}
-        
-		if (ord($this->frameSources[$i] { 10 }) & 0x80 && $this->imgBuilt) {
-		  
-			if ($Global_len == $Locals_len) {
-			 
-				if ($this->gifBlockCompare($Global_rgb, $Locals_rgb, $Global_len)) {
-				    
-					$this->gif .= $Locals_ext.$Locals_img.$Locals_tmp;
-                    
-				} else {
-				    
-					$byte = ord($Locals_img { 9 });
-					$byte |= 0x80;
-					$byte &= 0xF8;
-					$byte |= (ord($this->frameSources[0] { 10 }) & 0x07);
-					$Locals_img { 9 } = chr($byte);
-					$this->gif .= $Locals_ext.$Locals_img.$Locals_rgb.$Locals_tmp;
-				}
-                
-			} else {
-			 
-				$byte = ord($Locals_img { 9 });
-				$byte |= 0x80;
-				$byte &= 0xF8;
-				$byte |= (ord($this->frameSources[$i] { 10 }) & 0x07);
-				$Locals_img { 9 } = chr($byte);
-				$this->gif .= $Locals_ext.$Locals_img.$Locals_rgb.$Locals_tmp;
-			}
-            
-		} else {
-		  
-			$this->gif .= $Locals_ext.$Locals_img.$Locals_tmp;
-		}
-        
-		$this->imgBuilt = true;
-	}
-    
-	/**
-     * Add the gif string footer char (old: GIFAddFooter)
-     */
-	public function gifAddFooter()
-    {
-		$this->gif .= ';';
-	}
-    
-	/**
-     * Compare two block and return the version (old: GIFBlockCompare)
-     * 
-     * @param string $globalBlock
-     * @param string $localBlock
-     * @param integer $length
-     * 
-     * @return integer
-	 */
-	public function gifBlockCompare($globalBlock, $localBlock, $length)
-    {
-		for ($i = 0; $i < $length; $i++) {
-		  
-			if ($globalBlock { 3 * $i + 0 } != $localBlock { 3 * $i + 0 } ||
-				$globalBlock { 3 * $i + 1 } != $localBlock { 3 * $i + 1 } ||
-				$globalBlock { 3 * $i + 2 } != $localBlock { 3 * $i + 2 }) {
-				
-                return 0;
-			}
-		}
-
-		return 1;
-	}
-    
-	/**
-     * Encode an ASCII char into a string char (old: GIFWord)
-     * 
-     * $param integer $char ASCII char
-     * 
-     * @return string
-	 */
-	public function encodeAsciiToChar($char)
-    {
-		return (chr($char & 0xFF).chr(($char >> 8) & 0xFF));
-	}
-    
-    /**
-     * Reset and clean the current object
-     */
-    public function reset()
-    {
-        $this->frameSources;
-        $this->gif = 'GIF89a'; // the GIF header
-        $this->imgBuilt = false;
-        $this->loop = 0;
-        $this->dis = 2;
-        $this->colour = -1;
-    }
-    
-    // Getter / Setter
-    // ===================================================================================
-    
-	/**
-     * Get the final GIF image string (old: GetAnimation)
-     * 
-     * @return string
-	 */
-	public function getGif()
-    {
-		return $this->gif;
-	}
+<?php
+
+namespace GifCreator;
+
+/**
+ * Create an animated GIF from multiple images
+ * 
+ * @version 1.0
+ * @link https://github.com/Sybio/GifCreator
+ * @author Sybio (Clément Guillemain  / @Sybio01)
+ * @license http://opensource.org/licenses/gpl-license.php GNU Public License
+ * @copyright Clément Guillemain
+ */
+class GifCreator
+{
+    /**
+     * @var string The gif string source (old: this->GIF)
+     */
+    private $gif;
+    
+    /**
+     * @var string Encoder version (old: this->VER)
+     */
+	private $version;
+    
+    /**
+     * @var boolean Check the image is build or not (old: this->IMG)
+     */
+    private $imgBuilt;
+
+    /**
+     * @var array Frames string sources (old: this->BUF)
+     */
+	private $frameSources;
+    
+    /**
+     * @var integer Gif loop (old: this->LOP)
+     */
+	private $loop;
+    
+    /**
+     * @var integer Gif dis (old: this->DIS)
+     */
+	private $dis;
+    
+    /**
+     * @var integer Gif color (old: this->COL)
+     */
+	private $colour;
+    
+    /**
+     * @var array (old: this->ERR)
+     */
+	private $errors;
+ 
+    // Methods
+    // ===================================================================================
+    
+    /**
+     * Constructor
+     */
+    public function __construct()
+    {
+        $this->reset();
+        
+        // Static data
+        $this->version = 'GifCreator: Under development';
+        $this->errors = array(
+            'ERR00' => 'Does not supported function for only one image.',
+    		'ERR01' => 'Source is not a GIF image.',
+    		'ERR02' => 'You have to give resource image variables, image URL or image binary sources in $frames array.',
+    		'ERR03' => 'Does not make animation from animated GIF source.',
+        );
+    }
+
+	/**
+     * Create the GIF string (old: GIFEncoder)
+     * 
+     * @param array $frames An array of frame: can be file paths, resource image variables, binary sources or image URLs
+     * @param array $durations An array containing the duration of each frame
+     * @param integer $loop Number of GIF loops before stopping animation (Set 0 to get an infinite loop)
+     * 
+     * @return string The GIF string source
+     */
+	public function create($frames = array(), $durations = array(), $loop = 0)
+    {
+		if (!is_array($frames) && !is_array($durations)) {
+            
+            throw new \Exception($this->version.': '.$this->errors['ERR00']);
+		}
+        
+		$this->loop = ($loop > -1) ? $loop : 0;
+		$this->dis = 2;
+        
+		for ($i = 0; $i < count($frames); $i++) {
+		  
+			if (is_resource($frames[$i]) || $frames[$i] instanceof \GdImage) { // Resource var
+                
+                $resourceImg = $frames[$i];
+                
+                ob_start();
+                imagegif($frames[$i]);
+                $this->frameSources[] = ob_get_contents();
+                ob_end_clean();
+                
+            } elseif (is_string($frames[$i])) { // File path or URL or Binary source code
+			     
+                if (file_exists($frames[$i]) || filter_var($frames[$i], FILTER_VALIDATE_URL)) { // File path
+                    
+                    $frames[$i] = file_get_contents($frames[$i]);                    
+                }
+                
+                $resourceImg = imagecreatefromstring($frames[$i]);
+                
+                ob_start();
+                imagegif($resourceImg);
+                $this->frameSources[] = ob_get_contents();
+                ob_end_clean();
+                 
+			} else { // Fail
+                
+                throw new \Exception($this->version.': '.$this->errors['ERR02']);
+			}
+            
+            if ($i == 0) {
+                
+                $colour = imagecolortransparent($resourceImg);
+            }
+            
+			if (substr($this->frameSources[$i], 0, 6) != 'GIF87a' && substr($this->frameSources[$i], 0, 6) != 'GIF89a') {
+			 
+                throw new \Exception($this->version.': '.$i.' '.$this->errors['ERR01']);
+			}
+            
+			for ($j = (13 + 3 * (2 << (ord($this->frameSources[$i] [10]) & 0x07))), $k = TRUE; $k; $j++) {
+			 
+				switch ($this->frameSources[$i] [$j]) {
+				    
+					case '!':
+                    
+						if ((substr($this->frameSources[$i], ($j + 3), 8)) == 'NETSCAPE') {
+                            
+                            throw new \Exception($this->version.': '.$this->errors['ERR03'].' ('.($i + 1).' source).');
+						}
+                        
+					break;
+                        
+					case ';':
+                    
+						$k = false;
+					break;
+				}
+			}
+            
+            unset($resourceImg);
+		}
+		
+        if (isset($colour)) {
+            
+            $this->colour = $colour;
+                                    
+        } else {
+            
+            $red = $green = $blue = 0;
+            $this->colour = ($red > -1 && $green > -1 && $blue > -1) ? ($red | ($green << 8) | ($blue << 16)) : -1;
+        }
+        
+		$this->gifAddHeader();
+        
+		for ($i = 0; $i < count($this->frameSources); $i++) {
+		  
+			$this->addGifFrames($i, $durations[$i]);
+		}
+        
+		$this->gifAddFooter();
+        
+        return $this->gif;
+	}
+    
+    // Internals
+    // ===================================================================================
+    
+	/**
+     * Add the header gif string in its source (old: GIFAddHeader)
+     */
+	public function gifAddHeader()
+    {
+		$cmap = 0;
+
+		if (ord($this->frameSources[0] [10]) & 0x80) {
+		  
+			$cmap = 3 * (2 << (ord($this->frameSources[0] [10]) & 0x07));
+
+			$this->gif .= substr($this->frameSources[0], 6, 7);
+			$this->gif .= substr($this->frameSources[0], 13, $cmap);
+			$this->gif .= "!\377\13NETSCAPE2.0\3\1".$this->encodeAsciiToChar($this->loop)."\0";
+		}
+	}
+    
+	/**
+     * Add the frame sources to the GIF string (old: GIFAddFrames)
+     * 
+     * @param integer $i
+     * @param integer $d
+     */
+	public function addGifFrames($i, $d)
+    {
+		$Locals_str = 13 + 3 * (2 << (ord($this->frameSources[ $i ] [10]) & 0x07));
+
+		$Locals_end = strlen($this->frameSources[$i]) - $Locals_str - 1;
+		$Locals_tmp = substr($this->frameSources[$i], $Locals_str, $Locals_end);
+
+		$Global_len = 2 << (ord($this->frameSources[0 ] [10]) & 0x07);
+		$Locals_len = 2 << (ord($this->frameSources[$i] [10]) & 0x07);
+
+		$Global_rgb = substr($this->frameSources[0], 13, 3 * (2 << (ord($this->frameSources[0] [10]) & 0x07)));
+		$Locals_rgb = substr($this->frameSources[$i], 13, 3 * (2 << (ord($this->frameSources[$i] [10]) & 0x07)));
+
+		$Locals_ext = "!\xF9\x04".chr(($this->dis << 2) + 0).chr(($d >> 0 ) & 0xFF).chr(($d >> 8) & 0xFF)."\x0\x0";
+
+		if ($this->colour > -1 && ord($this->frameSources[$i] [10]) & 0x80) {
+		  
+			for ($j = 0; $j < (2 << (ord($this->frameSources[$i] [10] ) & 0x07)); $j++) {
+			 
+				if (ord($Locals_rgb [3 * $j + 0]) == (($this->colour >> 16) & 0xFF) &&
+					ord($Locals_rgb [3 * $j + 1]) == (($this->colour >> 8) & 0xFF) &&
+					ord($Locals_rgb [3 * $j + 2]) == (($this->colour >> 0) & 0xFF)
+				) {
+					$Locals_ext = "!\xF9\x04".chr(($this->dis << 2) + 1).chr(($d >> 0) & 0xFF).chr(($d >> 8) & 0xFF).chr($j)."\x0";
+					break;
+				}
+			}
+		}
+        
+		switch ($Locals_tmp [0]) {
+		  
+			case '!':
+            
+				$Locals_img = substr($Locals_tmp, 8, 10);
+				$Locals_tmp = substr($Locals_tmp, 18, strlen($Locals_tmp) - 18);
+                                
+			break;
+                
+			case ',':
+            
+				$Locals_img = substr($Locals_tmp, 0, 10);
+				$Locals_tmp = substr($Locals_tmp, 10, strlen($Locals_tmp) - 10);
+                                
+			break;
+		}
+        
+		if (ord($this->frameSources[$i] [10]) & 0x80 && $this->imgBuilt) {
+		  
+			if ($Global_len == $Locals_len) {
+			 
+				if ($this->gifBlockCompare($Global_rgb, $Locals_rgb, $Global_len)) {
+				    
+					$this->gif .= $Locals_ext.$Locals_img.$Locals_tmp;
+                    
+				} else {
+				    
+					$byte = ord($Locals_img [9]);
+					$byte |= 0x80;
+					$byte &= 0xF8;
+					$byte |= (ord($this->frameSources[0] [10]) & 0x07);
+					$Locals_img [9] = chr($byte);
+					$this->gif .= $Locals_ext.$Locals_img.$Locals_rgb.$Locals_tmp;
+				}
+                
+			} else {
+			 
+				$byte = ord($Locals_img [9]);
+				$byte |= 0x80;
+				$byte &= 0xF8;
+				$byte |= (ord($this->frameSources[$i] [10]) & 0x07);
+				$Locals_img [9] = chr($byte);
+				$this->gif .= $Locals_ext.$Locals_img.$Locals_rgb.$Locals_tmp;
+			}
+            
+		} else {
+		  
+			$this->gif .= $Locals_ext.$Locals_img.$Locals_tmp;
+		}
+        
+		$this->imgBuilt = true;
+	}
+    
+	/**
+     * Add the gif string footer char (old: GIFAddFooter)
+     */
+	public function gifAddFooter()
+    {
+		$this->gif .= ';';
+	}
+    
+	/**
+     * Compare two block and return the version (old: GIFBlockCompare)
+     * 
+     * @param string $globalBlock
+     * @param string $localBlock
+     * @param integer $length
+     * 
+     * @return integer
+	 */
+	public function gifBlockCompare($globalBlock, $localBlock, $length)
+    {
+		for ($i = 0; $i < $length; $i++) {
+		  
+			if ($globalBlock [3 * $i + 0] != $localBlock [3 * $i + 0] ||
+				$globalBlock [3 * $i + 1] != $localBlock [3 * $i + 1] ||
+				$globalBlock [3 * $i + 2] != $localBlock [3 * $i + 2]) {
+				
+                return 0;
+			}
+		}
+
+		return 1;
+	}
+    
+	/**
+     * Encode an ASCII char into a string char (old: GIFWord)
+     * 
+     * $param integer $char ASCII char
+     * 
+     * @return string
+	 */
+	public function encodeAsciiToChar($char)
+    {
+		return (chr($char & 0xFF).chr(($char >> 8) & 0xFF));
+	}
+    
+    /**
+     * Reset and clean the current object
+     */
+    public function reset()
+    {
+        $this->frameSources;
+        $this->gif = 'GIF89a'; // the GIF header
+        $this->imgBuilt = false;
+        $this->loop = 0;
+        $this->dis = 2;
+        $this->colour = -1;
+    }
+    
+    // Getter / Setter
+    // ===================================================================================
+    
+	/**
+     * Get the final GIF image string (old: GetAnimation)
+     * 
+     * @return string
+	 */
+	public function getGif()
+    {
+		return $this->gif;
+	}
 }
\ No newline at end of file