Update documentation link in README.md
clean up TestTail
exhibit a bug in Tail
fix a bug in Tail
Gofmt
Merge pull request #31 from cespare/gofmt

Gofmt
Merge pull request #27 from garyburd/patch-1

Update documentation link in README.md
Small formatting cleanup

- Imports grouped and ordered in the conventional (goimports) way
- Trailing whitespace removed
Merge pull request #32 from cespare/formatting-cleanup

Small formatting cleanup
Merge remote branch 'upstream/master'