http and https expected to give the same video data.
Search should be able to do very large caches
search optimizations
Export/Download button bug
Many threads issues, dlbutton.
Don't show playlist title on searches
functions vs. methods
Added trim function. Db swap file bug.  Concat search string bug.
trim function implemented via command line options
mostly cache maintainance
fitness function
button sensitivity (redundant but helpful)
webpage url to clipboard
README edits
README fleshing out.
version bump
gemspec update