Implement Logger (#228)

* Added new base logger

* updated example and test configs

* updated exchange helpers restful router & server

* logPath is now passed to the logger to remove dependency on common package

* updated everything besides exchanges to use new logger

* alphapoint to bitmex done

* updated bitmex bitstamp bittrex btcc and also performance changes to logger

* btcmarkets coinbase coinut exmo gateio wrappers updated

* gateio and gemini logger updated

* hitbtc huobi itbit & kraken updated

* All exchanges updatd

* return correct error for disabled websocket

* don't disconnect client on invalid json

* updated router internal logging

* log.Fatal to t.Error for tests

* Changed from fatal to error failure to set maxprocs

* output ANSI codes for everything but windows for now due to lack of windows support

* added error handling to logger and unit tests

* clear wording on print -> log.print

* added benchmark test

* cleaned up import sections

* Updated logger based on PR requests (added default config options on failure/setting errors)

* ah this should fix travici enc config issue

* Load entire config and clear out logging to hopefully fix travisci issue

* wording & test error handling

* fixed formatting issues based on feedback

* fixed formatting issues based on feedback

* changed CheckDir to use mkdirall instead of mkdir and other changes based on feedback

exchanges/binance/binance.go

@@ -4,7 +4,6 @@ import (
 	"bytes"
 	"errors"
 	"fmt"
-	"log"
 	"net/url"
 	"strconv"
 	"time"
@@ -15,6 +14,7 @@ import (
 	exchange "github.com/thrasher-/gocryptotrader/exchanges"
 	"github.com/thrasher-/gocryptotrader/exchanges/request"
 	"github.com/thrasher-/gocryptotrader/exchanges/ticker"
+	log "github.com/thrasher-/gocryptotrader/logger"
 )
 
 // Binance is the overarching type across the Bithumb package
@@ -609,7 +609,7 @@ func (b *Binance) SendAuthHTTPRequest(method, path string, params url.Values, re
 	headers["X-MBX-APIKEY"] = b.APIKey
 
 	if b.Verbose {
-		log.Printf("sent path: \n%s\n", path)
+		log.Debugf("sent path: \n%s\n", path)
 	}
 	path = common.EncodeURLValues(path, params)
 
@@ -741,7 +741,6 @@ func (b *Binance) WithdrawCrypto(asset, address, addressTag, name, amount string
 	return resp.ID, nil
 }
 
-
 //GetDepositAddressForCurrency retrieves the wallet address for a given currency
 func (b *Binance) GetDepositAddressForCurrency(currency string) error {
 	path := fmt.Sprintf("%s%s", b.APIUrl, depositAddress)