Added Afrikaans language

Thanks to Kobus Bezuidenhout via Google Groups
https://groups.google.com/forum/?hl=en#!msg/verite-timeline/ZKnJPKi98vg/TySf58rFJGEJ
Updated to v2.24 Allow larger date extremes, Added timeout to new Twitter API calls and added Afrikaans language

Allow larger date extremes
Added timeout to new Twitter API calls
Added Afrikaans language
Thanks to Kobus Bezuidenhout via Google Groups
https://groups.google.com/forum/?hl=en#!msg/verite-timeline/ZKnJPKi98vg/TySf58rFJGEJ