Added human, corrected headers.

README.md

@@ -15,17 +15,20 @@ Currently supports:
 - Positional arguments
 - Catch-all positional arguments (last args become a slice)
 
-## cfmt
+### cfmt
 Colour formatting, printf style.
 
-## env
+### env
 At the moment, just the convenience function Get(), which returns the value of an environment variable or a supplied alternative.
 
+### human
+Humanised numbers (and possibly other things in the future).
+
 ### paths
 Helper to get typical directory paths for configuration data. Basically makes dot-directories in $HOME (most systems) for config directories in $HOME/Library/Application Support (macOS).
 
-## prompter
+### prompter
 A simple tool to ask question in the terminal. Provide questions, and optionally default answers and whether the reply should be hidden.
 
-## str
+### str
 Currently just an extended strings.Builder which can write out all common variable types, maps and slices with the same function. Also satisfies the io.Writer interface.