a number of minor changes to documentation
a few improvements to use of type constraints in Zilla.pm
some methods that were undocumented have been _-prefixed
ModuleBuild now turns on recursive_test_files unconditionally
the install_command argument to $zilla->install should now be an
arrayref
suppressed a stringifying-undef warning when using UploadToCPAN
no longer try to compose an obsolete Dist::Zilla::Config role