fix portal above y=127 in nether

Author: LucunJi

build.gradle

@@ -11,7 +11,7 @@ apply plugin: 'net.minecraftforge.gradle.forge'
 //Only edit below this line, the above code adds and enables the necessary things for Forge to be setup.
 
 
-version = "0.1"
+version = "0.2"
 group = "com.lucunji.portalsupercache" // http://maven.apache.org/guides/mini/guide-naming-conventions.html
 archivesBaseName = "portalsupercache"