Fixed occasional "Class already exists" errors.
Fixed occasional "Class already exists" errors.

punker76/Perspex,wieslawsoltes/Perspex,jkoritzinsky/Avalonia,Perspex/Perspex,SuperJMN/Avalonia,jkoritzinsky/Avalonia,bbqchickenrobot/Perspex,Perspex/Perspex,SuperJMN/Avalonia,wieslawsoltes/Perspex,wieslawsoltes/Perspex,jkoritzinsky/Avalonia,sagamors/Perspex,DavidKarlas/Perspex,AvaloniaUI/Avalonia,SuperJMN/Avalonia,ncarrillo/Perspex,AvaloniaUI/Avalonia,grokys/Perspex,wieslawsoltes/Perspex,susloparovdenis/Perspex,AvaloniaUI/Avalonia,MrDaedra/Avalonia,SuperJMN/Avalonia,SuperJMN/Avalonia,SuperJMN/Avalonia,jkoritzinsky/Perspex,jazzay/Perspex,AvaloniaUI/Avalonia,danwalmsley/Perspex,AvaloniaUI/Avalonia,SuperJMN/Avalonia,wieslawsoltes/Perspex,AvaloniaUI/Avalonia,jkoritzinsky/Avalonia,susloparovdenis/Avalonia,OronDF343/Avalonia,jkoritzinsky/Avalonia,wieslawsoltes/Perspex,akrisiun/Perspex,kekekeks/Perspex,kekekeks/Perspex,AvaloniaUI/Avalonia,jkoritzinsky/Avalonia,wieslawsoltes/Perspex,tshcherban/Perspex,jkoritzinsky/Avalonia,MrDaedra/Avalonia,grokys/Perspex,susloparovdenis/Perspex,OronDF343/Avalonia,susloparovdenis/Avalonia