Added log file save to log/. writes timestamp + message. Also added sell/buy logs
Merge cryptsy into exchange.js
Add modified cryptsy exchange (fixed rate differential to avoid non-completing sell/buy orders
Changed multiply/devision with round to toFixed(8). As fp math is not ieee compliant there is no guarantee mul/div will dot the job properly.
Added config.js to ignore list as it contains keys
Merge branch 'master' of https://github.com/consp/gekko