Sort latest trades first
Merge pull request #477 from jamespedwards42/develop

Added lastTradeId to several exchanges
Merge pull request #478 from jheusser/feature_hitbtc_sorting

Hitbtc: sort trade history latest trades first
Fix CexIO Trade History
Fix VoS trade history argument handling.
fix VoS args handling again.
Implement public trade history for Justcoin.