Fix to the download of attribute search results as XML
Fix to the download of attribute search results as XML

- now uses the unified __fetchEvent method to retrieve the events

- __fetchEvent has a new optional parameter "idList" which restricts the results to an array of event IDs.

cristianbell/MISP,SteveClement/MISP,RichieB2B/MISP,FloatingGhost/MISP,0x0mar/MISP,Rafiot/MISP,aaronkaplan/MISP,SteveClement/MISP,RichieB2B/MISP,FloatingGhost/MISP,pombredanne/MISP,TheDr1ver/MISP,x86Labs/MISP,Rafiot/MISP,x86Labs/MISP,MISP/MISP,elhoim/MISP,aaronkaplan/MISP,MISP/MISP,regit/MISP,elhoim/MISP,devnull-/MISP,Maijin/MISP,devnull-/MISP,Maijin/MISP,triplekill/MISP,MISP/MISP,pombredanne/MISP,aaronkaplan/MISP,x86Labs/MISP,pombredanne/MISP,0x0mar/MISP,FloatingGhost/MISP,regit/MISP,crruthe/MISP,jiekechoo/MISP,devnull-/MISP,Rafiot/MISP,TheDr1ver/MISP,jiekechoo/MISP,aaronkaplan/MISP,cristianbell/MISP,MISP/MISP,cristianbell/MISP,RichieB2B/MISP,regit/MISP,crruthe/MISP,FIRSTdotorg/MISP,SteveClement/MISP,SteveClement/MISP,0x0mar/MISP,x86Labs/MISP,elhoim/MISP,cristianbell/MISP,devnull-/MISP,TheDr1ver/MISP,triplekill/MISP,jiekechoo/MISP,TheDr1ver/MISP,crruthe/MISP,crruthe/MISP,triplekill/MISP,FIRSTdotorg/MISP,Maijin/MISP,SteveClement/MISP,elhoim/MISP,Rafiot/MISP,RichieB2B/MISP,regit/MISP,MISP/MISP,triplekill/MISP,FIRSTdotorg/MISP,Maijin/MISP,0x0mar/MISP,jiekechoo/MISP,FloatingGhost/MISP,pombredanne/MISP,FIRSTdotorg/MISP