Implementing complex-numbers

[Average-user]

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[haus]

This looks good to me. It looks like it needs a rebase to account for some changes to config.json.

[Average-user]

@haus Don't exactly know what you mean with that.

[haus]

@Average-user it just means that there were changes made to config.json in other commits that have been merged that git can't resolve automatically (this PR caused the conflict: #193). There are a couple of ways to resolve the conflict:

1. Try the 'Resolve conflicts' button in the PR screen (https://help.github.com/articles/resolving-a-merge-conflict-on-github/ seems like a good resource)
2. Try resolving the conflict on the command line (https://help.github.com/articles/resolving-a-merge-conflict-using-the-command-line/ seems like a good resource)

[haus]

Hmm. Looks like there are still conflicts. I'll try to pull this down and fix the conflicts.

[haus]

Oops. I didn't mean to do that. #195 has the conflicts resolved.

[Average-user]

@haus I was trying something too. But it haven't been working.

[haus]

Cool