Passing down the current search string to WikipediaCallAPI.
Fixing "get random links" feature.
Move "converting node names to indices" to its own function.
Make wikipediaConstructURL actually pay attention to its searchString parameter.
Add functionality for expanding nodes.
Stowing all the Wikipedia-API functions into an object.
Moving the Wikipeda API to its own file.
Removing the WikiMedia test file, which is now unnecessary, not to mention all kinds of broken.
Removing test functions.