[PD-698] Added tags to xml, csv, and print-friendly export for PRM.
Added xml declaration to XML output
Replaced regex with python builtin.
prefetched tags.
Added comment to join operation.
typo
fixed typo for real this time.
Removed trailing whitespace.
Merge pull request #957 from DirectEmployers/pd-698

[PD-698] Added tags to xml, csv, and print-friendly export for PRM.