nil
Refactor printing header lines from TSVs
Consume all comment lines up until header line
Refactor how elements are cached online. See changes in rbbt-sources for entrez and uniprot
Add support for Logging exceptions
Implemented Misc#open_pipe
Implemented TSV#reorder_stream
Refactor some attachment procedures from files to retain headers
Added and updated test for latest changes
Version bump to 5.6.1
Regenerate gemspec for version 5.6.1