[mercadobitcoin] Bug fix: adding missing left padding.
[mercadobitcoin] Little improvement: using long instead int.
[mercadobitcoin] Fixing a little mistake on class types on tests.
Merge pull request #799 from felipelalli/bitcointoyou

[bitcointoyou] BitcoinToYou full implementation.
Merge pull request #798 from felipelalli/mercadobitcoin-full

[mercadobitcoin] Bug fixes and improvements
Changed BTCCHinaSocketIOClientBuilder to separate subscriptions on different sockets.
Merge pull request #800 from bryan4887/BTCChinaSocketOptFix

Changed BTCCHinaSocketIOClientBuilder to separate subscriptions
Adding /classes.