Added get all exchange pairs endpoint (REST)

CHANGELOG

@@ -1,6 +1,7 @@
 1.3.4
 -) Fixed undefined p_sub issue in subscription_manager.py
 -) Added submit cancel all funding orders endpoint (REST)
+-) Added get all exchange pairs endpoint (REST)
 
 1.3.3
 -) Fixed socket.send() issue (IndexError: deque index out of range)

bfxapi/rest/bfx_rest.py

@@ -370,6 +370,15 @@ class BfxRest:
         stats = await self.fetch(endpoint)
         return stats
 
+    async def get_conf_list_pair_exchange(self):
+        """
+        Get list of available exchange pairs
+        # Attributes
+        @return Array [ SYMBOL ]
+        """
+        endpoint = "conf/pub:list:pair:exchange"
+        pairs = await self.fetch(endpoint)
+        return pairs
 
     ##################################################
     #               Authenticated Data               #