making class/inst handling more robust against borken clients
making class/inst handling more robust against borken clients


Sirikid/wmii,rvedam/wmii,darkfeline/wmii,rvedam/wmii,jerluc/wmii,wingyplus/wmii,darkfeline/wmii,wingyplus/wmii,rvedam/wmii,Sirikid/wmii,darkfeline/wmii,Sirikid/wmii,sigmavirus24/wmii,sigmavirus24/wmii,sigmavirus24/wmii,rvedam/wmii,jerluc/wmii,jerluc/wmii,Sirikid/wmii,rvedam/wmii,jerluc/wmii,sigmavirus24/wmii,wingyplus/wmii,wingyplus/wmii,wingyplus/wmii,darkfeline/wmii,darkfeline/wmii,Sirikid/wmii,jerluc/wmii,sigmavirus24/wmii