modernise regex and tr a bit
fix erroneous `\2` in tr
Merge pull request #44 from DpEpsilon/master

Merging in updates
Merge pull request #45 from auscompgeek/master

Merging TR/RE changes
Added the wikipedia plugin
Merge pull request #46 from peterarenot/master

Added the wikipedia plugin
allow escaped replacements (spake, I'm looking at you)