Miscellaneous bug fixes (#513)

* Various bug fixes

* Deadlink, cleanup plus bug fixes

* Various Kraken fixes

* Add convert func for decimal unix timestamps

* Convert all test times to UTC

* Kraken: Make assets a pointer to prevent excessive copying

* Docker slash fix

* Address nits plus bump ITBit last checked pairs timestamp

* Set pairs to enabled pairs when getting active orders

* Use asset translator for UpdateAccountInfo and more checks for the exchange template tool

* Address MadCozBadd's nits

* Make exchange var 2 chars

* Make program more user friendly

* Project wide comment checks and exchName check

* Fix Huobi indexing bug and use correct pair formatting

* Address nits + readme change

cmd/documentation/documentation.go

@@ -226,6 +226,11 @@ func main() {
 				URL:           "https://github.com/lookfirst",
 				Contributions: 1,
 			},
+			{
+				Login:         "merkeld",
+				URL:           "https://github.com/merkeld",
+				Contributions: 1,
+			},
 		}...)
 
 		if verbose {