Declare std::arc::unwrap to be pub
Merge pull request #4642 from codeblack08/unwrap-pub

Declare std::arc::unwrap to be pub
Add Cody Schroeder to AUTHORS
Fix Option camel case in error message
Fix Option camel case in comments
Fix Option camel case in xfailed/ignored tests
Fix Option camel case in debug messages
Fix Option camel case in commented portion of test
Fix Option camel case in a compile-fail test

The compile fails for another reason, that triggers before the the failure for non-camel cased option, some or none undefined errors.
rustc: Make build_wrap_ret compile on Windows and unrevert ABI patch

This reverts commit 625405562c278cb2e45bec6805f13d2c1de8049e.
Merge pull request #4644 from martica/camel-case-option

Update more uses of Option, Some and None to camel case
Add Tyler Bindon to AUTHORS