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Just because you changed something and it generated more errors does not mean that the change was wrong. All those errors you see were already in your code, it was just that the previous error was so...

Semicolons are used to designate the end of a statement. The "other places" are fine if it is the end of a statement. Whereas your code doesn't make sense. What are you trying to do?
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Colorink;showInventory();

In all the examples on the web and in text books have you ever seen code written with that notation? I sure haven't. What exactly is the semicolon after Colorink supposed...