Don't add url to :trace-redirects when :uri is used instead of :url

Fixes #183
Unify all boolean options so the question mark is optional

Fixes #187
Remove todos from changelog
multipart FileBody with name, mime-type (fixes #189)
Merge remote-tracking branch 'rfn01/jpeg'
Update changelog
Release 0.9.0
Bump to 0.9.1-SNAPSHOT
Add example of shutting down connection manager to documentation
Fix docstring for shutdown-manager
Make :ignore-unknown-host use the `opt` function correctly
archive old changelog entries
automatically coerce header values to string
Release 0.9.1
bump to 0.9.2-SNAPSHOT
Update readme
Bump deps and fix tests for 1.6.0 compatibility
Fixing example URLs.
Fixing example calls to http/get.
Merge pull request #197 from colincoller/fix-example-urls

Fixing example URLs.