improve readme

README.md

@@ -2,9 +2,13 @@
 
 Include soi and you're ready to go!
 
-## dbg(...)
+## Features
 
-You can debug any expressions using the macro dbg().
+- includes all headers (a `bits/stdc++.h` that works on all platforms)
+- has a powerful `dbg()` macro
+- disables output buffering
+- checks whether all input has been read
+- removes evil functions from the standard library such as new and printf.
 
 ## Configuration