Merge pull request #70 from jamilatta/bug59

Garantido que pacotes com o prefixo _failed_ sejam ignorados
ArticleMetaPubDateValidationPipe - validation of article-meta/pub-date which must match publication year and month of its journal issue (Issue #22)
Merge pull request #73 from robertatakenaka/22_refactored

ArticleMetaPubDateValidationPipe - validation of article-meta/pub-date w...
merge