init v3.4.2
add 'doi2tex'
add 'doi2tex' ref
flake8
typo
more robust test condition
add call labels
more robust test condition
pragma
update data (Fri, 1 Aug 2014 13:58:03 CEST)
update UA
update data (Wed, 13 Aug 2014 14:47:39 CEST)
update CHANGES.txt
release 3.4.2