Update README
Add local brew for 5.18
Require my dzil bundle version 0.05
Clear PERL5LIB from the environment early on
Refactor testing stuff into a helper module
Close STDIN when running cpanm to install dists

If installing a dist fails and PERL_CPANM_OPT has --prompt in it,
the test will lock up for seemingly no reason.  This makes sure that
any input that's requested from the terminal immediately returns
Get rid of File::Temp warnings
Add custom TAP parser that retains TAP output
Provide extra output if tests pass/fail when they shouldn't
Provide more useful test names
Update changelog