Removed getGroupList

replaced with
https://github.com/shirioko/WhatsAPI/commit/bc4257a786c2b5ae4884cc6bd6cbe95def3a7e1d

Yes I know it's a dick move, but it's late and I'm grumpy
Added SendGetStatus

Doesn't seem to do much though
Well fuck it
Added getJID to my previous methods

For obvious reasons