Rolled back to stable_20 for MCP mappings, stable_22 seemed broken.

Fixes #21

Author: renevo

build.properties

@@ -1,9 +1,9 @@
-mod_version=1.3.0
+mod_version=1.3.1
 minecraft_version=1.8.9
-forge_version=11.15.1.1761
-mappings=stable_22
+forge_version=11.15.1.1764
+mappings=stable_20
 
-mantle_version=0.7.+
-tinkers_version=2.0.+
+mantle_version=0.9.+
+tinkers_version=2.2.+
 jei_version=2.28.+
 

update.json

@@ -1,10 +1,10 @@
 {
   "homepage": "https://github.com/RenEvo/nethercore/releases",
   "promos": {
-    "1.8.9-latest": "1.3.0",
-    "1.8.9-recommended": "1.2.2",
-    "latest": "1.3.0",
-    "recommended": "1.2.2"
+    "1.8.9-latest": "1.3.1",
+    "1.8.9-recommended": "1.3.1",
+    "latest": "1.3.1",
+    "recommended": "1.3.1"
   },
   "1.8.9": {
     "1.0.0": "Initial Release",
@@ -15,6 +15,7 @@
     "1.2.0": "Added in Nether Stone, Nether Spores, and Configurations",
     "1.2.1": "Miscellaneous Bug Fixes",
     "1.2.2": "Nether Growth Tweaks",
-    "1.3.0": "Added Nether Furnace"
+    "1.3.0": "Added Nether Furnace",
+    "1.3.1": "Hotfix for startup crash"
   }
 }