Implement base zip cache with tests...

plus some relevant fixes and refactorings

libraries/scripting/common/src/kotlin/script/experimental/host/configurationFromTemplate.kt

@@ -81,6 +81,8 @@ private fun ScriptCompilationConfiguration.Builder.propertiesFromTemplate(
 private val KClass<*>.kotlinScriptAnnotation: KotlinScript
     get() = findAnnotation()
         ?: when (this@kotlinScriptAnnotation.qualifiedName) {
+            // Any is the default template, so use a default annotation
+            Any::class.qualifiedName,
             // transitions to the new scripting API: substituting annotations for standard templates from script-runtime
             "$SCRIPT_RUNTIME_TEMPLATES_PACKAGE.SimpleScriptTemplate",
             "$SCRIPT_RUNTIME_TEMPLATES_PACKAGE.ScriptTemplateWithArgs",

libraries/scripting/common/src/kotlin/script/experimental/host/hostConfiguration.kt

@@ -31,6 +31,17 @@ class ScriptingHostConfiguration(baseScriptingConfigurations: Iterable<Scripting
     companion object : ScriptingHostConfigurationKeys
 }
 
+/**
+ * An alternative to the constructor with base configuration, which returns a new configuration only if [body] adds anything
+ * to the original one, otherwise returns original
+ */
+fun ScriptingHostConfiguration?.with(body: ScriptingHostConfiguration.Builder.() -> Unit): ScriptingHostConfiguration {
+    val newConfiguration =
+        if (this == null) ScriptingHostConfiguration(body = body)
+        else ScriptingHostConfiguration(this, body = body)
+    return if (newConfiguration != this) newConfiguration else this
+}
+
 /**
  * The list of all dependencies required for the script base class and refinement callbacks
  */