Exchange: BTSE API 3.2 upgrade (#548)

* BTSE: bump API version to 3.2

* BTSE: added AccountFee endpoint

* BTSE: ratelimit, modified GetFee() to use GetFeeInformation, CreateWalletAddress support

* BTSE: gofmt

* BTSE: renamed ratelimits to ratelimit

* BTSE: comments on exported methods, reworked const

* BTSE: remove verbose

* BTSE: increased test coverage

* BTSE: removed futures test

* BTSE: comments, correct types, moon

* Add support for futures ticker/orderbook, pass data from OHLCV to append because data is important :D

* BTSE: update futures test pair

* BTSE: updated creatorder test to use negative numbers

* BTSE: updated test wording

* BTSE: no BTSEx anymore

* BTSE: use GetEnabledPairs

* BTSE: updated order structu

* BTSE: goimport test package

* BTSE: added orderIntToType method

* BTSE: added extra params to Trade/OpenOrders, kline format method added

* BTSE: CreateOrder and IndexOrderPeg updates

* removed binary

* BTSE: type fixes for orderid, comments

* BTSE: remove float tos tring conversion correct casing

* BTSE: updated return types

* BTSE: return slice

* BTSE: update type to string, fixed comment on Price(), removed verbose flag

* BTSE: use FormatExchangeCurrency()

* BTSE: status -> string

* BTSE: added withinLimit method to confirm order is within valid limits

* BTSE: gofmt

* BTSE: updated comment

* BTSE: comment update

* BTSE: init map for cancelallexcahgneorders

* BTSE: updated json structs for trade history, reworked withinlimits and ordersizelimits to use sync.map

* BTSE: test other currencies to confirm matching values for incerement

* BTSE: comment, changed type

* BTSE: added ordersizelimits seed data to test

* BTSE: fpair -> fPair naming & kline sort update

* BTSE: removed format call & asset param from withinLimits

* BTSE: range over pairs for active orders

* BTSE: verbose removal pass

* BTSE: ticker batching support

* BTSE: remove old pair formatter

docs/OHLCV.md

@@ -73,7 +73,7 @@ A helper tool [cmd/dbseed](../cmd/dbseed/README.md) has been created for assisti
 | Bitstamp       | Y           | 
 | BTC Markets    | Y           | 
 | Bittrex        |             | 
-| BTSE           |             |      
+| BTSE           | Y           |      
 | Coinbase Pro   | Y           |
 | Coinbene       | Y           | 
 | Coinut         |             |