pretty print invite command

[nmeum]

Somehow, there is currently no if-statement for the invite message in the Pretty() function of the Event type. Thus causing the message to be discarded when invoking Pretty().

This commit adds this missing if-statement to the function.

[codecov-io]

Codecov Report

Merging #13 into master will decrease coverage by 0.3%. The diff coverage is 0%.

@@            Coverage Diff             @@
##           master      #13      +/-   ##
==========================================
- Coverage   56.77%   56.46%   -0.31%     
==========================================
  Files          13       13              
  Lines        2311     2313       +2     
==========================================
- Hits         1312     1306       -6     
- Misses        894      901       +7     
- Partials      105      106       +1

Impacted Files	Coverage Δ
event.go	69.34% <0%> (-0.54%)	:arrow_down:
conn.go	58.84% <0%> (-2.47%)	:arrow_down:

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[lrstanley]

Once the invite-notify fixes are in place, should be good. If there are any others you'd like to see added to pretty, feel free to submit PR's. I missed a bunch of useful things for sure.

[nmeum]

Once the invite-notify fixes are in place, should be good.

In case you missed it: I've done this. Is there anything else which prevents this from getting merged?

[lrstanley]

Sorry, someone hit my car the other day, and have been super busy planning a trip back home. Haven't had a change to test. Looks good, thanks!