1.1: Tweak how cdrs are pulled from DB
1.1: increase scope of function and check for empty data
Merge branch '1.1-cdrs' of https://github.com/fogeytron/kazoo-php-sdk into fogeytron-1.1-cdrs
merge these changes into the abstract class
Merge branch 'fogeytron-1.1-cdrs' into 1.1