bug fix for package uninstall
bug fix for package uninstall

adds array check for attribute uninstall where no search attribute key
is present.


Former-commit-id: 97a26ba7388436d7409528d314da732a0d63d744
deek87/concrete5,MrKarlDilkington/concrete5,concrete5/concrete5,haeflimi/concrete5,acliss19xx/concrete5,jaromirdalecky/concrete5,acliss19xx/concrete5,triplei/concrete5-8,mainio/concrete5,concrete5/concrete5,a3020/concrete5,jaromirdalecky/concrete5,mainio/concrete5,hissy/concrete5,concrete5/concrete5,hissy/concrete5,hissy/concrete5,concrete5/concrete5,rikzuiderlicht/concrete5,a3020/concrete5,olsgreen/concrete5,MrKarlDilkington/concrete5,mlocati/concrete5,KorvinSzanto/concrete5,mlocati/concrete5,triplei/concrete5-8,haeflimi/concrete5,deek87/concrete5,KorvinSzanto/concrete5,biplobice/concrete5,deek87/concrete5,mlocati/concrete5,biplobice/concrete5,olsgreen/concrete5,rikzuiderlicht/concrete5,biplobice/concrete5,rikzuiderlicht/concrete5,haeflimi/concrete5,mlocati/concrete5,mainio/concrete5,jaromirdalecky/concrete5,olsgreen/concrete5,hissy/concrete5,MrKarlDilkington/concrete5,biplobice/concrete5,acliss19xx/concrete5,deek87/concrete5,KorvinSzanto/concrete5,jaromirdalecky/concrete5,haeflimi/concrete5,triplei/concrete5-8