Removed unnecessary START_DAEMONS env var.
Remove all cached addresses from the basicswap db for a wallet after reseeding.
Check that addresses retreived from the db are owned by teh wallet before they're used/displayed
Rework tests to combine atomic and xmr test cases.
Modify btc interface to support P2WSH_nested_in_BIP16_P2SH
Add coin feature tests to test_btc_xmr.py