increase OP_RETURN relay size to 1kb

First release to feature the sendmessage RPC command that allows for easily sending messages over the Tuxcoin blockchain.

-increase OP_RETURN relay size to 1kb for use with tuxchat messaging system

-advance version to 0.18.2

-copyright year updated to 2021

Donation Subsidy hardfork ready

v2.0

advance copyright to 2019

Security fix for double spend exploit

This is a mandatory update that fixes a security flaw that could allow for double spends.

https://bitcoincore.org/en/2018/09/20/notice/

Fixed conection issues and art

Added DNS seed
Added hard coded nodes
fixed artwork
Advanced version number to 0.17.1

Fixed release

This fixes the issue with the segwit softfork borking the wallet
Also adds more nodes to tuxcoin.conf

Tuxcoin-V2 fork ready

be sure to add tuxcoin.conf to %appdata%\tuxcoin
if you already have a tuxcoin wallet, make sure to make a backup of wallet.dat before you start this version of tuxcoin-qt

This version will make it so that the old version will not be able to open your wallet.

So make a backup