func ToStringSliceE(i interface{}) ([]string, error) {
	jww.DEBUG.Println("ToStringSliceE called on type:", reflect.TypeOf(i))
	var a []string
	switch v := i.(type) {
	case []interface{}:
		for _, u := range v {
			a = append(a, ToString(u))
		}
		return a, nil
	case []string:
		return v, nil
	case string:
		return strings.Fields(v), nil
	case interface{}:
		str, err := ToStringE(v)
		if err != nil {
			return a, fmt.Errorf("Unable to Cast %#v to []string", i)
		}
		return []string{str}, nil
	default:
		return a, fmt.Errorf("Unable to Cast %#v to []string", i)
	}
}
ToStringSliceE casts an empty interface to a []string.
package cast
import (
	"fmt"
	"html/template"
	"reflect"
	"strconv"
	"strings"
	"time"
	jww "github.com/spf13/jwalterweatherman"
)
func ToTimeE(i interface{}) (tim time.Time, err error) {
	i = indirect(i)
	jww.DEBUG.Println("ToTimeE called on type:", reflect.TypeOf(i))
	switch s := i.(type) {
	case time.Time:
		return s, nil
	case string:
		d, e := StringToDate(s)
		if e == nil {
			return d, nil
		}
		return time.Time{}, fmt.Errorf("Could not parse Date/Time format: %v\n", e)
	default:
		return time.Time{}, fmt.Errorf("Unable to Cast %#v to Time\n", i)
	}
}
func ToDurationE(i interface{}) (d time.Duration, err error) {
	i = indirect(i)
	jww.DEBUG.Println("ToDurationE called on type:", reflect.TypeOf(i))
	switch s := i.(type) {
	case time.Duration:
		return s, nil
	case int64:
		d = time.Duration(s)
		return
	case float64:
		d = time.Duration(s)
		return
	case string:
		d, err = time.ParseDuration(s)
		return
	default:
		err = fmt.Errorf("Unable to Cast %#v to Duration\n", i)
		return
	}
}
func ToBoolE(i interface{}) (bool, error) {
	i = indirect(i)
	jww.DEBUG.Println("ToBoolE called on type:", reflect.TypeOf(i))
	switch b := i.(type) {
	case bool:
		return b, nil
	case nil:
		return false, nil
	case int:
		if i.(int) != 0 {
			return true, nil
		}
		return false, nil
	case string:
		return strconv.ParseBool(i.(string))
	default:
		return false, fmt.Errorf("Unable to Cast %#v to bool", i)
	}
}
func ToFloat64E(i interface{}) (float64, error) {
	i = indirect(i)
	jww.DEBUG.Println("ToFloat64E called on type:", reflect.TypeOf(i))
	switch s := i.(type) {
	case float64:
		return s, nil
	case float32:
		return float64(s), nil
	case int64:
		return float64(s), nil
	case int32:
		return float64(s), nil
	case int16:
		return float64(s), nil
	case int8:
		return float64(s), nil
	case int:
		return float64(s), nil
	case string:
		v, err := strconv.ParseFloat(s, 64)
		if err == nil {
			return float64(v), nil
		}
		return 0.0, fmt.Errorf("Unable to Cast %#v to float", i)
	default:
		return 0.0, fmt.Errorf("Unable to Cast %#v to float", i)
	}
}
func ToIntE(i interface{}) (int, error) {
	i = indirect(i)
	jww.DEBUG.Println("ToIntE called on type:", reflect.TypeOf(i))
	switch s := i.(type) {
	case int:
		return s, nil
	case int64:
		return int(s), nil
	case int32:
		return int(s), nil
	case int16:
		return int(s), nil
	case int8:
		return int(s), nil
	case string:
		v, err := strconv.ParseInt(s, 0, 0)
		if err == nil {
			return int(v), nil
		}
		return 0, fmt.Errorf("Unable to Cast %#v to int", i)
	case float64:
		return int(s), nil
	case bool:
		if bool(s) {
			return 1, nil
		}
		return 0, nil
	case nil:
		return 0, nil
	default:
		return 0, fmt.Errorf("Unable to Cast %#v to int", i)
	}
}
func indirect(a interface{}) interface{} {
	if a == nil {
		return nil
	}
	if t := reflect.TypeOf(a); t.Kind() != reflect.Ptr {
		return a
	}
	v := reflect.ValueOf(a)
	for v.Kind() == reflect.Ptr && !v.IsNil() {
		v = v.Elem()
	}
	return v.Interface()
}
func indirectToStringerOrError(a interface{}) interface{} {
	if a == nil {
		return nil
	}
	var errorType = reflect.TypeOf((*error)(nil)).Elem()
	var fmtStringerType = reflect.TypeOf((*fmt.Stringer)(nil)).Elem()
	v := reflect.ValueOf(a)
	for !v.Type().Implements(fmtStringerType) && !v.Type().Implements(errorType) && v.Kind() == reflect.Ptr && !v.IsNil() {
		v = v.Elem()
	}
	return v.Interface()
}
func ToStringE(i interface{}) (string, error) {
	i = indirectToStringerOrError(i)
	jww.DEBUG.Println("ToStringE called on type:", reflect.TypeOf(i))
	switch s := i.(type) {
	case string:
		return s, nil
	case bool:
		return strconv.FormatBool(s), nil
	case float64:
		return strconv.FormatFloat(i.(float64), 'f', -1, 64), nil
	case int:
		return strconv.FormatInt(int64(i.(int)), 10), nil
	case []byte:
		return string(s), nil
	case template.HTML:
		return string(s), nil
	case template.URL:
		return string(s), nil
	case nil:
		return "", nil
	case fmt.Stringer:
		return s.String(), nil
	case error:
		return s.Error(), nil
	default:
		return "", fmt.Errorf("Unable to Cast %#v to string", i)
	}
}
func ToStringMapStringE(i interface{}) (map[string]string, error) {
	jww.DEBUG.Println("ToStringMapStringE called on type:", reflect.TypeOf(i))
	var m = map[string]string{}
	switch v := i.(type) {
	case map[string]string:
		return v, nil
	case map[string]interface{}:
		for k, val := range v {
			m[ToString(k)] = ToString(val)
		}
		return m, nil
	case map[interface{}]string:
		for k, val := range v {
			m[ToString(k)] = ToString(val)
		}
		return m, nil
	case map[interface{}]interface{}:
		for k, val := range v {
			m[ToString(k)] = ToString(val)
		}
		return m, nil
	default:
		return m, fmt.Errorf("Unable to Cast %#v to map[string]string", i)
	}
}
func ToStringMapStringSliceE(i interface{}) (map[string][]string, error) {
	jww.DEBUG.Println("ToStringMapStringSliceE called on type:", reflect.TypeOf(i))
	var m = map[string][]string{}
	switch v := i.(type) {
	case map[string][]string:
		return v, nil
	case map[string][]interface{}:
		for k, val := range v {
			m[ToString(k)] = ToStringSlice(val)
		}
		return m, nil
	case map[string]string:
		for k, val := range v {
			m[ToString(k)] = []string{val}
		}
	case map[string]interface{}:
		for k, val := range v {
			m[ToString(k)] = []string{ToString(val)}
		}
		return m, nil
	case map[interface{}][]string:
		for k, val := range v {
			m[ToString(k)] = ToStringSlice(val)
		}
		return m, nil
	case map[interface{}]string:
		for k, val := range v {
			m[ToString(k)] = ToStringSlice(val)
		}
		return m, nil
	case map[interface{}][]interface{}:
		for k, val := range v {
			m[ToString(k)] = ToStringSlice(val)
		}
		return m, nil
	case map[interface{}]interface{}:
		for k, val := range v {
			key, err := ToStringE(k)
			if err != nil {
				return m, fmt.Errorf("Unable to Cast %#v to map[string][]string", i)
			}
			value, err := ToStringSliceE(val)
			if err != nil {
				return m, fmt.Errorf("Unable to Cast %#v to map[string][]string", i)
			}
			m[key] = value
		}
	default:
		return m, fmt.Errorf("Unable to Cast %#v to map[string][]string", i)
	}
	return m, nil
}
func ToStringMapBoolE(i interface{}) (map[string]bool, error) {
	jww.DEBUG.Println("ToStringMapBoolE called on type:", reflect.TypeOf(i))
	var m = map[string]bool{}
	switch v := i.(type) {
	case map[interface{}]interface{}:
		for k, val := range v {
			m[ToString(k)] = ToBool(val)
		}
		return m, nil
	case map[string]interface{}:
		for k, val := range v {
			m[ToString(k)] = ToBool(val)
		}
		return m, nil
	case map[string]bool:
		return v, nil
	default:
		return m, fmt.Errorf("Unable to Cast %#v to map[string]bool", i)
	}
}
func ToStringMapE(i interface{}) (map[string]interface{}, error) {
	jww.DEBUG.Println("ToStringMapE called on type:", reflect.TypeOf(i))
	var m = map[string]interface{}{}
	switch v := i.(type) {
	case map[interface{}]interface{}:
		for k, val := range v {
			m[ToString(k)] = val
		}
		return m, nil
	case map[string]interface{}:
		return v, nil
	default:
		return m, fmt.Errorf("Unable to Cast %#v to map[string]interface{}", i)
	}
}
func ToSliceE(i interface{}) ([]interface{}, error) {
	jww.DEBUG.Println("ToSliceE called on type:", reflect.TypeOf(i))
	var s []interface{}
	switch v := i.(type) {
	case []interface{}:
		for _, u := range v {
			s = append(s, u)
		}
		return s, nil
	case []map[string]interface{}:
		for _, u := range v {
			s = append(s, u)
		}
		return s, nil
	default:
		return s, fmt.Errorf("Unable to Cast %#v of type %v to []interface{}", i, reflect.TypeOf(i))
	}
}