Added typo that was calling TradeHistory instead of TransHistory.
Added typo that was calling TradeHistory instead of TransHistory.

alanmcintyre/btce-api,hsharrison/bter-api,CodeReclaimers/btce-api,kozze89/bter-api,jluttine/btce-api,jhk753/btce-trading,lromanov/tidex-api,zku/btce-api,blorenz/btce-api