Add support for Minecraft 1.13.1 and 1.13.1-pre2 (protocols 400 to 401).

README.rst

@@ -28,7 +28,7 @@ pyCraft is compatible with the following Minecraft releases:
 * 1.10, 1.10.1, 1.10.2
 * 1.11, 1.11.1, 1.11.2
 * 1.12, 1.12.1, 1.12.2
-* 1.13
+* 1.13, 1.13.1
 
 In addition, some development snapshots and pre-release versions are supported:
 `<minecraft/__init__.py>`_ contains a full list of supported Minecraft versions

minecraft/__init__.py

@@ -127,6 +127,8 @@ SUPPORTED_MINECRAFT_VERSIONS = {
     '18w32a':      397,
     '18w33a':      398,
     '1.13.1-pre1': 399,
+    '1.13.1-pre2': 400,
+    '1.13.1':      401,
 }
 
 SUPPORTED_PROTOCOL_VERSIONS = \