Command Aliases

[chicoferreira]

Description

Add command aliases. Fixes #37

Type of change

• [X] New feature (non-breaking change which adds functionality)

How Has This Been Tested?

I joined the server, opened the chat and typed /gm and /t that were the aliases, that I defined, to /gamemode and /test respectively and, of course, it worked.

Checklist:

• [X] My code follows the style guidelines of this project
• [X] I have performed a self-review of my own code
• [X] I have commented my code, particularly in hard-to-understand areas
• [X] I have made corresponding changes to the documentation [optional]
• [X] I have added tests that prove my fix is effective or that my feature works
• [X] New and existing unit tests pass locally with my changes
• [X] Any dependent changes have been merged and published in downstream modules

[TommyAlmeida]

Next time the PR will be denied if no unit tests were done.