fix(sdk): turn GameResult into data class

Previously it didn't have an equals method, making proper testing almost impossible.
Also removes isRegular from the XML.

# Conflicts:
#	server/src/sc/server/Lobby.kt
#	server/src/sc/server/network/ClientManager.java
#	server/src/sc/server/network/NewClientListener.java

Author: xeruf

socha-sdk/src/framework/sc/shared/GameResult.kt

@@ -6,14 +6,17 @@ import sc.framework.plugins.Player
 import sc.protocol.responses.ProtocolMessage
 
 @XStreamAlias(value = "result")
-class GameResult(
+data class GameResult(
         val definition: ScoreDefinition,
         @XStreamImplicit(itemFieldName = "score")
         val scores: List<PlayerScore>,
         @XStreamImplicit(itemFieldName = "winner")
         val winners: List<Player>?
 ): ProtocolMessage {
 
+    val isRegular: Boolean
+        get() = scores.all { it.cause == ScoreCause.REGULAR }
+    
     override fun toString(): String {
         val builder = StringBuilder("Winner: ").append(winners)
         scores.forEachIndexed { playerIndex, score ->
@@ -24,8 +27,4 @@ class GameResult(
         return builder.toString()
     }
 
-    val isRegular: Boolean by lazy {
-        scores.all { it.cause == ScoreCause.REGULAR }
-    }
-    
 }