Remove obsolete BodyDelegator
Bump up YARDStick threshold
Merge pull request #104 from tarcieri/cleanup/remove-obsolete-body-delegator

Remove BodyDelegator
Make HTTP::Headers Enumerable

Closes https://github.com/tarcieri/http/issues/105.
Do not override user specified Host header
Merge pull request #106 from tarcieri/refacor/dont-enforce-host-header

Do not override user specified Host header
Add Headers#empty?

Closes #107
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