Merge branch 'fixes' into 'pregmod-master'

Fix inefficient serialization of slaveIndices

Closes #1659

See merge request pregmodfan/fc-pregmod!6507

js/003-data/gameVariableData.js

@@ -12,7 +12,7 @@ App.Data.defaultGameStateVariables = {
 	releaseID: 0,
 
 	// Slaves
-	slaveIndices: [],
+	slaveIndices: {},
 	genePool: [],
 	geneMods: {NCS: 0, rapidCellGrowth: 0},
 	missingTable: {},