Updated to prevent overlap with git plugins in zsh.

[ryandrew14]

Changed name of go command to 'go' instead of 'g'. Previously, the 'g' command would not work because the git plugin for zsh already has the command 'g' expecting a git command. Changing the command name to 'go' fixes this problem as 'go' is not already taken by the git zsh plugin.

[Bilalh]

Thanks for your PR. I don’t use the git plugin for zsh so I did not notice the problem. I will try to make the binding for g configurable to avoid this problem when I have time.