Add better explanation of debug flag.
Merge branch 'master' of github.com:jordan-wright/postman into jordan-wright-master

Conflicts:
	main.go
Merge branch 'jordan-wright-master'
100% more sloth.
batch sending -> batch-sending
Merge branch 'master' of github.com:jordan-wright/postman into jordan-wright-master
Merge branch 'jordan-wright-master'
Merge pull request #1 from zachlatta/master

Merge changes from zachlatta/postman