fix(twiggen): undef idx path (coalesce)
feat(testcmd): logging
feat(initcmd): packagist name
feat(tmpl): support packagist package name
feat(basecmd): logging to tmp file
feat(util): logging executable process
feat(generator): create binaries, add Path->join()
feat(tmpl): composer bin
fix(travis): codecov dynamic
fix(basecmd): empty array also means missing value
feat(initcmd): add --bin, makeKeywords=>makeArray
fix(tmpl): travis .com badge, use username