* add methods to access data on Index pages. e.g:
  http://en.wiktionary.org/wiki/Index:All_languages
  http://en.wiktionary.org/wiki/Index:German
  http://en.wiktionary.org/wiki/Index:Tarantino

* Methods to access Alternative Forms
  
* Methods to access Definitions

* Methods to access specific slices of data? (need suggestions)
