0.19.36

• Several bug fixes
• Account features + some fixes and refactorings by crokkon
• blockchain.awaitTxConfirmation() fix timeout by crokkon
• beempy updatenodes added, this command can be used to update the nodes list
• NodeList.update_nodes() added, this command reads the metadata from fullnodeupdate, which contain newest nodes information
• add option wss and https for NodeList.get_nodes
• updatenodes is used in all tests
• add witnessenable, witnessdisable, witnessfeed and witness
• time_diff_est and block_diff_est added to witness for next block producing estimation
• btc_usd_ticker, steem_btc_ticker, steem_usd_implied and _weighted_average added to Market
• beempy witnesses uses the proxy name when set
• beempy keygen added, for creating a witness signing key
• beempy parsewif improved