Debug information containing metadata per rule.
Useful for tracking the evolution of an analysis
Default comment char is '#'.
Output some more things
Get the command line opts and config data - print those to cached workflow and our workflow file.
Write out the global variables in the start, and the ending variables in the end
In order to keep backwards compatibility with beforemeta If the before_meta starts with a #, don't add another one
Write meta when HPC is a HashRef
If its a hash we can merge it
Write meta when HPC is an ArrayRef
Write the meta for samples