Important fix - automtaic url encoding for #, comma, + and : chars individually

Author: J7mbo

TwitterAPIExchange.php

@@ -74,6 +74,7 @@ public function setPostfields(array $array)
      * Set getfield string, example: '?screen_name=J7mbo'
      * 
      * @param string $string Get key and value pairs as string
+     * 
      * @return \TwitterAPIExchange Instance of self for method chaining
      */
     public function setGetfield($string)
@@ -83,6 +84,10 @@ public function setGetfield($string)
             throw new Exception('You can only choose get OR post fields.'); 
         }
 
+        $search = array('#', ',', '+', ':');
+        $replace = array('%23', '%2C', '%2B', '%3A');
+        $string = str_replace($search, $replace, $string);  
+        
         $this->getfield = $string;
 
         return $this;
@@ -141,7 +146,6 @@ public function buildOauth($url, $requestMethod)
 
         if (!is_null($getfield))
         {
-            $getfield = str_replace(',', '%2C', $getfield);
             $getfields = str_replace('?', '', explode('&', $getfield));
             foreach ($getfields as $g)
             {