Added queryToStruct helper function

[sneiland]

Added an additional helper function to convert a query result set with a single record to a struct as opposed to an array of length one with a struct.

[atuttle]

Looks really good, thanks. Just a few notes.

• You'll probably want to move this to a feature branch and re-submit the pull request from that branch. This is because pull requests are tied to a branch, so when you push more commits to your master branch, they will appear as part of this pull request. (Or a future pull request will appear to also have these changes, too)
• Move the var statement above the first if statement, for CF8 compatibility.

Looking forward to merging this in! :)

[sneiland]

And done. Can you tell that I don't work with git very often lol