Added tree structure functions to show users and rooms
Added strucutre functions, forgot to commit last time.
Merge branch 'master' of https://github.com/hansfilipelo/ChattY

Conflicts:
	gui/chatwindow.cpp
	gui/chatwindow.h
	gui/gui.cpp
	gui/gui.h
Big ass merge recently. Added serber string to chatwindow.h
Merge branch 'master' of https://github.com/hansfilipelo/ChattY
Fixed some errors