Python 2/3 compatible file reading
Python 2/3 compatible file reading

Alternative 2 from
http://python-future.org/compatible_idioms.html#file-io-with-open

common-workflow-language/cwltool,dleehr/cwltool,dleehr/cwltool,common-workflow-language/cwltool,common-workflow-language/cwltool,dleehr/cwltool,dleehr/cwltool