update deps and requirements

README.md

@@ -4,12 +4,14 @@ Input handling schema written in rust. Backend agnostic, provides serializabilit
 
 Current backends include Piston and Gilrs with more on the way.
 
+**NOTE** prongs requires rust 1.32 or later
+
 ## Using prongs library
 
 To use the prongs library include it in your `Cargo.toml` file. You *MUST* specify a backend via features e.g.
 ```
 [dependencies]
-prongs = { version = "1.0.0", features = ["backend_piston"] }
+prongs = { version = "1.0.2", features = ["backend_piston"] }
 ```
 
 ### Documentation