show region in apps list
Clear up instructions for add _hk completions to your shell
some more setup notes for zsh completion
Only display host + path in pg-info cross-app Followers

Don't display credentials. Fixes #106.
Use pflag for long opts + disable duplicate flags

Use bgentry fork of pflag package so long flags can have values
separated with a space, and so duplicate flags can be disabled.
improve help for run command
zsh completion for dynos command app flag
remove guide caveat about flag ordering
update zsh completion for new opt parsing
get rid of combined flags in zsh completion, doesn't account for ordering of bool/non-bool
heroku-go 0.6.0
update go-netrc
downcase the db status in pg-list

Fixes #131.
print warnings returned from log tail sessions
list 20 releases by default, not 30