Annotate all the test trees with a .devdir marker
Refactor to use Path::FindDev and Path::Tiny
Update documentation
Update Changelog
Critic/Changes/Documentation
v0.5.0

 [00 MAJOR CHANGES]
 - Entire Heuristics system replaced with Path::IsDev/Path::FindDev
 - Internals re-written to use Path::Tiny
 - Please read SIGNIFICANT CHANGES section on ::ProjectDistDir for details

 [Dependencies::Added / runtime requires]
 - Path::Class::Dir
 - Path::FindDev
 - Path::IsDev
 - Path::Tiny

 [Dependencies::Added / test requires]
 - lib

 [Dependencies::Changed / develop suggests]
 - Dist::Zilla::PluginBundle::Author::KENTNL v1.7.3 → v1.7.4