cleanup library and some basic tests. Includes, add guards to includes
diff --git a/include/polarssl/cipher_wrap.h b/include/polarssl/cipher_wrap.h
index 94ba578..ffa8c53 100644
--- a/include/polarssl/cipher_wrap.h
+++ b/include/polarssl/cipher_wrap.h
@@ -31,6 +31,7 @@
 #else
 #include POLARSSL_CONFIG_FILE
 #endif
+ 
 #include "cipher.h"
 
 #ifdef __cplusplus