fix:modify dependencies in setup.py and requirements.txt to update requests and websocket-client to increase compatibility with other packages.
chore: update version to 0.26.1

Signed-off-by: Brian of London (home imac) <brian@v4v.app>

Fix originally done by cfoxon

d12631cc131fe9b4846617e21b9d7988360b3433

Account:
* sp vp properties added
* print_info improved
* reputation -> get_reputation
* voting_power -> get_voting_power
* steem_power -> get_steem_power
precision removed
balance -> get_balance

CLI
* set, config createwallet, walletinfo, addkey, listkeys, listaccounts and changewalletpasswordphrase added

create_account_with_delegate added

Unittests
Unit tests fixed and added