Add ability for modules to register global functions, that other modules can execute. They get automatically unloaded when their module is unloaded
[wikipedia] Re-organize module into functions, and hook them into the CommandFunctions system, so other modules can look up Wikipedia pages
[urlTitleFinder] On Wikipedia URL, get the start of the article; instead of 'count()' use 'in', probably faster; add time-out to all requests; unify and minimize debug prints; general clean-up
On weird message, don't trip over the error print
[location] Made user search case-insensitive; minor clean-up and reformatting