more README

README

@@ -6,6 +6,8 @@ it also offers a shell like syntax for seamless command execution
 In this way your scripts can benefit from increased control and speed, while
 maintaining a lot of the potential for simple command call syntax.
 
+C/C++ binaries are cached to avoid recompilation.
+
 Installation
 ------------
 git clone https://gitlab.com/venelin98/cppipe.git