Home Sharing bug?

I bought new laptop couple weeks ago and installed iTunes and allowed home sharing on it and worked great. I took it on my vacation last week at Walt Disney World. One afternoon while in my room I had iTunes running charging my iPhone and notice home sharing was on and it was picking up a computer near by with someone elses name, they had a total different library than mine. I looked at the library listed for few minutes and then unhooked iphone and forgot about it until today.
I was making a new playlist this afternoon and noticed about 30-50 songs in my library and I did not buy or for that matter even listen to! Is it possible that these songs migrated to my library from this home sharing connection?

I think I've figured out that one of the two computers automatically changes the apostrophes to commas when it imports the file (and I think it's the Mac because the library originated on a PC) and once changed, the computers then think they're not synced.
This might be one that just Apple can fix, but HELP!
THIS PROBLEM MAKES THE FEATURE ALL BUT UNUSABLE FOR ME!

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