-Adds a tx_type field to the tx model which is typically null for "normal" transaction types, but can also display 'p2pk' for bitcoin txes which require addtional encoding to reveal the P2PKH address as well as 'zksnarks' for transactions with hidden sender or receiver data
-Additional fixes for how data is displayed when a valid wallet address cannot be found
-Includes some small updates to how zksnarks transactions display hidden sender/receiver data
-Replace tabs with double-spaces
-Betting spacing and lining up of code functions
-Add missing semi-colons
-Remove extra characters and spaces where applicable
-Remove commented-out code fragments
-Add missing 2021 date to LICENSE
-Small touchups and other misc nitpickings
joeuhren