Created cached property on Codebook, optimized database call
Created cached property on Codebook, optimized database call

amcat/amcat,tschmorleiz/amcat,tschmorleiz/amcat,tschmorleiz/amcat,tschmorleiz/amcat,amcat/amcat,tschmorleiz/amcat,amcat/amcat,amcat/amcat,amcat/amcat,amcat/amcat