Here's my .gitconfig, be sure and replace with your github token.

.gitconfig

[user]
	name = Matthew Simo
	email = [email protected]
[core]
	excludesfile = /Users/matthewsimo/.gitignore_global
	editor = vim
	ui = true
[alias]
	st = status
	ci = commit
	co = checkout
	br = branch
	sm = submodule
	lg = log --graph --pretty=format:'%Cred%h%Creset -%C(yellow)%d%Creset %s %Cgreen(%cr)%Creset' --abbrev-commit --date=relative
[color]
	branch = auto
	diff = auto
	interactive = auto
	status = auto
[github]
	user = matthewsimo
	token = token-here
[difftool "Kaleidoscope"]
	cmd = ksdiff --partial-changeset --relative-path \"$MERGED\" -- \"$LOCAL\" \"$REMOTE\"
[diff]
	tool = Kaleidoscope
[difftool]
	prompt = false
[mergetool "Kaleidoscope"]
	cmd = ksdiff --merge --output \"$MERGED\" --base \"$BASE\" -- \"$LOCAL\" --snapshot \"$REMOTE\" --snapshot
	trustExitCode = true
[mergetool]
	prompt = false
[merge]
	tool = Kaleidoscope
[difftool "sourcetree"]
	cmd = opendiff \"$LOCAL\" \"$REMOTE\"
	path = 
[mergetool "sourcetree"]
	cmd = /Applications/SourceTree.app/Contents/Resources/opendiff-w.sh \"$LOCAL\" \"$REMOTE\" -ancestor \"$BASE\" -merge \"$MERGED\"
	trustExitCode = true