Bitcoinlib

===================================
* Issues with unconfirmed transactions
* Delete wallet transactions
* Fix key balance update issues
* Fix various issues
* Add unittests

==================================
* Locktime updates
* BIP38 updates
* Random change outputs
* Random input / output order
* SQLCipher support
* Avoid dust utxos

===============================
* Added new Value class to represent cryptocurrency values
* Accept Value class in Wallet and Transaction methods
* Fix some service, database and cache issues

===========================================
* Increase cache database efficiency and reduce storage size
* Refactor wallet and transaction database
* Remove Python 2 support
* Remove deprecated methods
* Shorter class names: Wallet, WalletTransaction, WalletKey
* Add method to retrieve input values for transactions
* Fix various bugs in Service, Wallet, Mnemonic and Transaction classes

PLEASE NOTE: It is not possible to update database from version <0.4.x to 0.5.0.
You need the updatedb.py script to copy masterkeys and recreate wallets and transactions.

==========================================
* Fix errors in Blockstream and Litecoinblockexplorer
* Increase cache efficiency

================================
* Fix logging, cache and database issues
* Fix several bitcoind noode issues
* Fix issues with Block object
* Fix issues with Chainso, Blocksmurfer, Blockcypher and Blockchair
* Disable cache when database problems occur
* Add Quantity class to represent very large/small numbers