fix construction check for BTC transactions
don't include burns
clean debug
Merge pull request #512 from JahPowerBit/master

fix construction check for BTC transactions (master)
fix get_unspent_txouts()
Merge pull request #514 from JahPowerBit/master

fix get_unspent_txouts()
[#516] use canonical addresses to check transaction construction
Merge pull request #517 from ouziel-slama/master

use canonical addresses to check transaction construction (master)