wallet: implement wait_for_address_history_to_change API
wallet: implement wait_for_address_history_to_change API

fujicoin/electrum-fjc,wakiyamap/electrum-mona,spesmilo/electrum,neocogent/electrum,vialectrum/vialectrum,pooler/electrum-ltc,vialectrum/vialectrum,neocogent/electrum,pooler/electrum-ltc,vialectrum/vialectrum,wakiyamap/electrum-mona,spesmilo/electrum,spesmilo/electrum,wakiyamap/electrum-mona,pooler/electrum-ltc,wakiyamap/electrum-mona,fujicoin/electrum-fjc,pooler/electrum-ltc,spesmilo/electrum,fujicoin/electrum-fjc,neocogent/electrum