Thread-safe ringbuf wrapper
header text atop every page
Use go/build package to find static resources

Idea stolen from
https://code.google.com/p/go-tour/source/browse/gotour/local.go?r=996704f8ef9e63949b3bc4d94b613ec4a7b5d99a#53
new installation instructions in README

now compatible with go install
Record start and end time of commands
Display start and end time to user