bunch of codes:

- Test InputStream() on VirtualComputer (blocking/unblocking using simple semaphore) -- no more dirty lua impl of io.read
- Typealias Kotlin 1.1
- Primitive box drawing on VideoCard
- Removing unnecessary fonts


Former-commit-id: cece88af3a3430678e685856eec78b4a9d598b4f
Former-commit-id: 22eed3a7beb9b4cb34636cbab2ff0e94989bdb31

src/net/torvald/terrarum/KVHashMap.kt

@@ -4,16 +4,15 @@ import com.google.gson.JsonPrimitive
 import java.util.*
 import java.util.function.Consumer
 
+typealias ActorValue = KVHashMap
+typealias GameConfig = KVHashMap
+
 /**
  * Created by minjaesong on 15-12-30.
  */
-open class KVHashMap {
+class KVHashMap {
 
-    private val hashMap: HashMap<String, Any>
-
-    init {
-        hashMap = HashMap<String, Any>()
-    }
+    private val hashMap = HashMap<String, Any>()
 
     /**
      * Add key-value pair to the configuration table.
@@ -104,7 +103,8 @@ open class KVHashMap {
         get() = hashMap.keys
 
     fun remove(key: String) {
-        hashMap.remove(key, hashMap[key])
+        if (hashMap[key] != null)
+            hashMap.remove(key, hashMap[key]!!)
     }
 
 }