3 - [x] get unit tests to work without manually specifying .o files
4 - [x] Support multiple wikipedias
5 - [ ] support other Wikimedia installations
6 - [ ] support local wikipedia dump
7 - [ ] support output formats (dot, etc?)
8 - [ ] support "routing"?
9 - [ ] make local "cache file", so multiple runs can re-use articles fetched