Update README.md

Make the code samples highlighted.
Merge pull request #7 from henrikbjorn/patch-1

Update README.md
PEach reference WIP
godoc go
PEach eith Channel
Update README todo list
use range in PEach
Rename iToValue function to interfaceToValue

Bytes are cheap, right?
Each handles map values
Each handles map values
format, cleanup
Cleanup & refactor Each for slices, maps
Update Readme for Typed Each with Map
typo
typo
go doc go
add link to godoc
Every
moar tests
Typed Every with int