Run GC after a certain number of bytes of XML
Run GC after a certain number of bytes of XML

Instead of kicking Garbage Collection every API call, only run it
after a large enough number of bytes of XML doc have been received

aljesusg/manageiq-gems-pending,rsevilla87/manageiq-gems-pending,rsevilla87/manageiq-gems-pending,aljesusg/manageiq-gems-pending