Incorrect search parameters for SearchVideos method

[GoogleCodeExporter]

What steps will reproduce the problem?
1. Use SearchVideos with either required_matches, at_least_one_match, or 
must_not_match defined.

What is the expected output? What do you see instead?
Expected results from the provided search parameter.

Received this instead: {"error": "Illegal search field: NAME","code":304}

What version of the product are you using? On what operating system?
Compiled from source. Win 7, VS 2010, .Net 4.0.

Please provide any additional information below.
The search parameters require VideoFields as the key for the Dictionary which 
aren't the required fields for the search. 

http://support.brightcove.com/en/docs/searching-videos-media-api

Only fields allowed are display_name, reference_id, tag, custom_fields, and 
search_text.

Original issue reported on code.google.com by [email protected] on 15 Aug 2012 at 2:48