Fix the Kotlin calls for adding commands and permissions.

Closes #4

README.md

@@ -110,7 +110,7 @@ bukkit {
     provides = listOf("TestPluginOldName", "TestPlug")
     
     commands {
-        "test" {
+        register("test") {
             description = "This is a test command!"
             aliases = listOf("t")
             permission = "testplugin.test"
@@ -121,12 +121,12 @@ bukkit {
     }
     
     permissions {
-        "testplugin.*" {
+        register("testplugin.*") {
             children = listOf("testplugin.test") // Defaults permissions to true
             // You can also specify the values of the permissions
             childrenMap = mapOf("testplugin.test" to true)
         }
-        "testplugin.test" {
+        register("testplugin.test") {
             description = "Allows you to run the test command"
             default = BukkitPluginDescription.Permission.Default.OP // TRUE, FALSE, OP or NOT_OP
         }
@@ -271,7 +271,7 @@ nukkit {
     prefix = "TEST"
     
     commands {
-        "test" {
+        register("test") {
             description = "This is a test command!"
             aliases = listOf("t")
             permission = "testplugin.test"
@@ -281,7 +281,7 @@ nukkit {
     }
     
     permissions {
-        "testplugin.*" {
+        register("testplugin.*") {
             description = "Allows you to run all testplugin commands"
             children {
                 "testplugin.test" {