URLDecode: Adding new goodie to replace closed source version
URLDecode: Adding guard for percent encoded content
URLDecode: switching to regex trigger
URLDecode: switching from insensitive regex
URLDecode: Adding failing test for alternative form of current failing test
URLDecode: Workaround for 100 char limit within `query` by switching to query_raw
URLDecode: changes to support new automatic-Goodie-style-slurping
URLDecode: Changing output to URL Decoded:
URLDecode: Switching to code around output
URLDecode: Reverting back to span
URLDecode: Copying behaviour of old goodie
URLDecode: Style changes a-la-@chrismorast
Merge pull request #622 from duckduckgo/mintsoft/url_decode

URLDecode: Adding new goodie to replace closed source version