Split screen + word wrap


Just start using Atom , I am always using two views with word wrap enable
2 questions , is there a way to control the size of the panel , I mean I tried moving the separator but does not seems to work ( this is a very nice feature that you should have )
Is there a way to have all the file word wrap instead of clicking on toggle word wrap everytime ?
Also I use to work on sublime text and I had a way to have show the indention to make sure I dont have any extra spaces
Can I do that on Atom ? http://imgur.com/Dkw7017
Thank you


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