Update version (v0.2.1)

Author: cdoco

php_jwt.h

@@ -24,7 +24,7 @@
 extern zend_module_entry jwt_module_entry;
 #define phpext_jwt_ptr &jwt_module_entry
 
-#define PHP_JWT_VERSION "0.1.1" /* Replace with version number for your extension */
+#define PHP_JWT_VERSION "0.2.1" /* Replace with version number for your extension */
 
 #ifdef ZTS
 #include "TSRM.h"
@@ -44,7 +44,6 @@ ZEND_BEGIN_MODULE_GLOBALS(jwt)
   char *algorithm;
 ZEND_END_MODULE_GLOBALS(jwt)
 
-
 /** JWT algorithm types. */
 typedef enum jwt_alg {
   JWT_ALG_NONE = 0,