Fixed transferences
Added support to write to multiple keys, but currently commented because the current transference mechanism ensures that updates reach other partitions.
This code writes merges and transferences to multiple keys using a suffix - this can make transferences within the DC faster.
In this commit it i do not filter the keys of the same region, it writes the key with the suffix of all regions, this must be modified to write to the partitions that share the same region.
Try to catch a few errors