"We are all set" in this case means that he is confirming that he has the requested paper.
In general, it's a confirmation that everything is correct, ready, okay, etc.
12 Nisan 2011
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Matt said it all :)
12 Nisan 2011
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Hâlâ cevap bulamadın mı?
Sorularını yaz ve ana dil konuşanlar sana yardım etsin!