0.20.20

• Fix typo (PR #161)
• Add feature request #162 - one-time private keys can be used in beempy
• set num_retries to a default of 100, in order to prevent crashing when a wrong node is set
• Fix issue #171 - Account.get_balance function shows summed value of liquid balance and unclaimed reward (thanks to @sourovafrin)
• Use Decimal class to store the amount in the Amount class
• Add option fixed_point_arithmetic to Amount, which will activate fixed-point arithmetic with the defined asset precision