Create GetPreviousDownloads.md
Update GetPreviousDownloads.md
Update GetPreviousDownloads.md

Updated request parameters
Update GetPreviousDownloads.md

Finished response descriptions.
Update GetPreviousDownloads.md
Update GetImageDetails.md

Added ImageSize.MimeType to results.
Merge pull request #23 from MarkPit/master

Update GetImageDetails.md
Merge pull request #24 from nskirov/master

Added GetPreviousDownloads documentation
Update SearchForImages.md

Add Oldest sort type to the EditorialSortOrder
Update SearchForImages.md

change wording to reflect oldest sort type
Merge pull request #25 from Sarukod/master

Update EditorialSortOder
Merge remote-tracking branch 'upstream/master'