* [NOD-307] Implement API-Server GET /blocks
* [NOD-307] Implement API-Server GET /blocks
* [NOD-307] Add comments to exported constants
* [NOD-307] Flatten GET query values and check that 'order' value is valid
* [NOD-307] Validate order values in GetBlocksHandler
* [NOD-307] Add convertQueryParamToInt function
* [NOD-322] Make database.DB a function
* [NOD-322] Move context to be the first parameter in all functions
* [NOD-322] Set db to nil on database.Close()
* [NOD-322] Tidy go.mod/go.sum
* [NOD-322] Use http package const + message for StatusInternalServerError
* [NOD-303] Implement get transactions by address for API server
* [NOD-304] Implement get transactions by address
* [NOD-304] Implement get transactions by address
* [NOD-304] Use structs for where if possible
* [NOD-304] Auto increment IDs
* [NOD-304] Make defaultGetTransactionsLimit constant
* [NOD-304] Delete db directory
* [NOD-304] change db var to query
* [NOD-304] Extract route handle function from addRoutes
* [NOD-304] Order transactions by ID
* [NOD-304] Add error for passing arrays to GET
* [NOD-303] Implement get transaction by id for api server
* [NOD-303] Make routeParamTxID a constant
* [NOD-303] Change database is not current error.
* [NOD-303] Add ID to TransactionInput and TransactionOutput models
* [NOD-303] Change transactions_outputs table name to transaction_outputs and transactions_inputs to transaction_inputs
* [NOD-303] Add json annotations to transaction response types
* [NOD-303] Split server package
* [NOD-303] Add GetTransactionByHashHandler
* [NOD-303] Add comments to exported functions and variables
* [NOD-303] Put response types in a separate file
* [NOD-303] Rename functions
