style: Convert all tabs to spaces
style: Convert all tabs to spaces

* Following the spirit of PEP-8, convert all tabs to spaces
* Using one tab = 4 spaces due to earlier code

Signed-off-by: Kyle Manna <3c25b01657254677d3e1a8fd1f0742c5d489bd39@kylemanna.com>

repos-bitcoin/bitcoind-ncurses,azeteki/bitcoind-ncurses,esotericnonsense/bitcoind-ncurses