Things I did while unable to commit

- Log rotation
- Execution cancellation
- HTTP redirect, error functions
- Changed naming of document parsing/loading functions

providers/import/import.go

@@ -25,6 +25,9 @@ func (this *Provider) FuncMapFor (document *step.Document) template.FuncMap {
 	}
 	return template.FuncMap {
 		"panic":       stat.funcPanic,
+		"cancel":      stat.funcCancel,
+		"create":      stat.funcCreate,
+		"createHTML":  stat.funcCreateHTML,
 		"execute":     stat.funcExecute,
 		"include":     stat.funcInclude,
 		"includeHTML": stat.funcIncludeHTML,
@@ -43,10 +46,23 @@ func (this *state) funcPanic (message any) (string, error) {
 	}
 }
 
+func (this *state) funcCancel () (string, error) {
+	return "", step.ErrExecutionCanceled
+}
+
+func (this *state) funcCreate (name string, arguments ...any) (string, error) {
+	return this.funcInclude(name, arguments)
+}
+
+func (this *state) funcCreateHTML (name string, arguments ...any) (template.HTML, error) {
+	return this.funcIncludeHTML(name, arguments)
+}
+
 func (this *state) funcExecute (name string, data any) (step.ExecutionResult, error) {
 	name, err := this.document.Rel(name)
 	if err != nil { return step.ExecutionResult { }, err }
-	document, err := this.document.Environment().Parse(name)
+	document, err := this.document.Environment().LoadRelative (
+		name, this.document)
 	if err != nil { return step.ExecutionResult { }, err }
 	builder := strings.Builder { }
 	err = document.Execute(&builder, step.ExecutionData { Data: data })