Permit RPC requests up to 1MB

Fixes #85

Prepare 0.9.16

RELEASE-NOTES

@@ -1,3 +1,9 @@
+version 0.9.16
+--------------
+
+- logging improvements, including throttling of abusive logs
+- permit large RPC requests (issue 85)
+
 version 0.9.15
 --------------
 

electrumx_rpc.py

@@ -25,6 +25,7 @@ class RPCClient(JSONRPC):
     def __init__(self):
         super().__init__()
         self.queue = asyncio.Queue()
+        self.max_send = 1000000
 
     def enqueue_request(self, request):
         self.queue.put_nowait(request)

server/version.py

@@ -1 +1 @@
-VERSION = "ElectrumX 0.9.15"
+VERSION = "ElectrumX 0.9.16"