func newContainer() *variableContainer {
	c := &variableContainer{
		values: make(map[string]interface{}),
		stack:  make([]stackValue, 0, 5),
	}
	return c
}
/*
newContainer returns a ready to use variableContainer.
package tal
import ()
type stackValue struct {
	name   string
	value  interface{}
	exists bool
}
type variableContainer struct {
	values    map[string]interface{}
	stack     []stackValue
	saveStack []map[string]interface{}
}