config api change, added 10 langauges, fixed langauge setting for chinese and arabic, api much smoother for language toggling, fixed how we read html from requests where encoding is wrong
adding test cases for config building
made languages a property, synced config settings with source and article initializers, created a fetch_images config option
added complete test cases for config setting
removed final_url, fixed ambiguities
added test cases for multi language support and config intergration
fixed divide by zero error for nlp, adding content to readme
fixing readme