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>

apache/cloudstack-cloudmonkey,apache/cloudstack-cloudmonkey,remibergsma/cloudstack-cloudmonkey,remibergsma/cloudstack-cloudmonkey,Interoute/cloudmonkey-interoute,Interoute/cloudmonkey-interoute