Added FileMover and URLTextSearcher per autopkg/autopkg#38
Use named groups in output variables as we get from the matched regular expression. Also use the first group (0) with an optional name (or just "match" if not given).
Added header handling code
Added flag specification
Updated descriptions and output_variables.
Decription update
Merge pull request #64 from jessepeterson/newprocessors38

Added FileMover and URLTextSearcher per autopkg/autopkg#38
Update CHANGELOG.md