CLOUDSTACK-2020: Make cli's requester unicode friendly
CLOUDSTACK-2020: Make cli's requester unicode friendly

Fixed list processing that uses lambdas to use x.lower() assuming x is string,
and not forced/caster str.lower(obj)

Signed-off-by: Rohit Yadav <0fa72ca37c4b5fa62675187ce32ea6c9f842fd52@apache.org>

GabrielBrascher/cloudstack,jcshen007/cloudstack,resmo/cloudstack,GabrielBrascher/cloudstack,jcshen007/cloudstack,DaanHoogland/cloudstack,wido/cloudstack,resmo/cloudstack,DaanHoogland/cloudstack,GabrielBrascher/cloudstack,jcshen007/cloudstack,resmo/cloudstack,mufaddalq/cloudstack-datera-driver,mufaddalq/cloudstack-datera-driver,GabrielBrascher/cloudstack,wido/cloudstack,wido/cloudstack,wido/cloudstack,GabrielBrascher/cloudstack,jcshen007/cloudstack,wido/cloudstack,DaanHoogland/cloudstack,wido/cloudstack,jcshen007/cloudstack,DaanHoogland/cloudstack,jcshen007/cloudstack,DaanHoogland/cloudstack,DaanHoogland/cloudstack,mufaddalq/cloudstack-datera-driver,DaanHoogland/cloudstack,resmo/cloudstack,wido/cloudstack,mufaddalq/cloudstack-datera-driver,jcshen007/cloudstack,GabrielBrascher/cloudstack,resmo/cloudstack,resmo/cloudstack,mufaddalq/cloudstack-datera-driver,GabrielBrascher/cloudstack,resmo/cloudstack,mufaddalq/cloudstack-datera-driver