Fix equality and serializability of scripting data, fix relevant caching behaviour

libraries/scripting/common/src/kotlin/script/experimental/api/kotlinType.kt

@@ -32,4 +32,13 @@ class KotlinType private constructor(
      * Constructs KotlinType from reflected [ktype]
      */
     constructor(type: KType) : this(type.classifier as KClass<*>)
+
+    override fun equals(other: Any?): Boolean =
+        (other as? KotlinType)?.let { typeName == it.typeName } == true
+
+    override fun hashCode(): Int = typeName.hashCode()
+
+    companion object {
+        private const val serialVersionUID: Long = 1L
+    }
 }

libraries/scripting/common/src/kotlin/script/experimental/api/scriptCompilation.kt

@@ -190,14 +190,18 @@ class RefineConfigurationBuilder : PropertiesCollection.Builder() {
 typealias RefineScriptCompilationConfigurationHandler =
             (ScriptConfigurationRefinementContext) -> ResultWithDiagnostics<ScriptCompilationConfiguration>
 
-class RefineConfigurationUnconditionallyData(
+data class RefineConfigurationUnconditionallyData(
     val handler: RefineScriptCompilationConfigurationHandler
-) : Serializable
+) : Serializable {
+    companion object { private const val serialVersionUID: Long = 1L }
+}
 
-class RefineConfigurationOnAnnotationsData(
+data class RefineConfigurationOnAnnotationsData(
     val annotations: List<KotlinType>,
     val handler: RefineScriptCompilationConfigurationHandler
-) : Serializable
+) : Serializable {
+    companion object { private const val serialVersionUID: Long = 1L }
+}
 
 
 /**

libraries/scripting/common/src/kotlin/script/experimental/api/scriptData.kt

@@ -66,7 +66,9 @@ interface ExternalSourceCode : SourceCode {
 /**
  * The source code [range] with the the optional [name]
  */
-data class ScriptSourceNamedFragment(val name: String?, val range: SourceCode.Range)
+data class ScriptSourceNamedFragment(val name: String?, val range: SourceCode.Range) : Serializable {
+    companion object { private const val serialVersionUID: Long = 1L }
+}
 
 /**
  * The general interface to the Script dependency (see platform-specific implementations)