[*] Changes to work with mempool list have been ported to develop.

Changes to work with mempool list have been ported to develop.

I just took the mempool_list from the master and replaced it with the mempool_list from develop, but essentially this is a transfer of the missing changes from the commits:

• 67b819d327a2f9b89210bb92706a594f07481169
• d75f6b225dc282863e3772163aa018acddb846f8
• c9c5c418104eaececfec9ef8cfe144e103554404
• 25fcb8f037d6b20d8564c54bedbf5ffec3698caa
• be4df96999c6f5c38f4f0d2b44203399add2a94f