diff --git a/editor.go b/editor.go
index 4e785c88..c42deee1 100644
--- a/editor.go
+++ b/editor.go
@@ -24,7 +24,7 @@ type editor struct {
 }
 
 // newEditor gets the editor based on a FileInfo struct
-func newEditor(r *http.Request, i *file) (*editor, error) {
+func newEditor(r *http.Request, i *fileInfo) (*editor, error) {
 	var err error
 
 	// Create a new editor variable and set the mode
diff --git a/file.go b/file.go
index 70961ce2..5e0599b9 100644
--- a/file.go
+++ b/file.go
@@ -13,8 +13,8 @@ import (
 	humanize "github.com/dustin/go-humanize"
 )
 
-// file contains the information about a particular file or directory.
-type file struct {
+// fileInfo contains the information about a particular file or directory.
+type fileInfo struct {
 	Name        string
 	Size        int64
 	URL         string
@@ -30,11 +30,11 @@ type file struct {
 	UserAllowed bool // Indicates if the user has enough permissions
 }
 
-// getFile retrieves the file information and the error, if there is any.
-func getFile(url *url.URL, c *Config, u *User) (*file, error) {
+// getFileInfo retrieves the file information and the error, if there is any.
+func getFileInfo(url *url.URL, c *FileManager, u *User) (*fileInfo, error) {
 	var err error
 
-	i := &file{URL: c.PrefixURL + url.Path}
+	i := &fileInfo{URL: c.PrefixURL + url.Path}
 	i.VirtualPath = strings.Replace(url.Path, c.BaseURL, "", 1)
 	i.VirtualPath = strings.TrimPrefix(i.VirtualPath, "/")
 	i.VirtualPath = "/" + i.VirtualPath
@@ -75,7 +75,7 @@ var textExtensions = [...]string{
 
 // RetrieveFileType obtains the mimetype and a simplified internal Type
 // using the first 512 bytes from the file.
-func (i *file) RetrieveFileType() error {
+func (i fileInfo) RetrieveFileType() error {
 	i.Mimetype = mime.TypeByExtension(i.Extension)
 
 	if i.Mimetype == "" {
@@ -126,7 +126,7 @@ func (i *file) RetrieveFileType() error {
 }
 
 // Reads the file.
-func (i *file) Read() error {
+func (i fileInfo) Read() error {
 	if len(i.Content) != 0 {
 		return nil
 	}
@@ -140,22 +140,22 @@ func (i *file) Read() error {
 }
 
 // StringifyContent returns the string version of Raw
-func (i file) StringifyContent() string {
+func (i fileInfo) StringifyContent() string {
 	return string(i.Content)
 }
 
 // HumanSize returns the size of the file as a human-readable string
 // in IEC format (i.e. power of 2 or base 1024).
-func (i file) HumanSize() string {
+func (i fileInfo) HumanSize() string {
 	return humanize.IBytes(uint64(i.Size))
 }
 
 // HumanModTime returns the modified time of the file as a human-readable string.
-func (i file) HumanModTime(format string) string {
+func (i fileInfo) HumanModTime(format string) string {
 	return i.ModTime.Format(format)
 }
 
 // CanBeEdited checks if the extension of a file is supported by the editor
-func (i file) CanBeEdited() bool {
+func (i fileInfo) CanBeEdited() bool {
 	return i.Type == "text"
 }
diff --git a/filemanager.go b/filemanager.go
index 6ad2cb29..6fc6107c 100644
--- a/filemanager.go
+++ b/filemanager.go
@@ -10,8 +10,8 @@ import (
 	"golang.org/x/net/webdav"
 )
 
-// Config is a configuration for browsing in a particular path.
-type Config struct {
+// FileManager is a configuration for browsing in a particular path.
+type FileManager struct {
 	*User
 	PrefixURL  string // A part of the URL that is stripped from the http.Request
 	BaseURL    string // The base URL of FileManager interface
@@ -27,8 +27,8 @@ type Config struct {
 
 // New creates a new FileManager object with the default settings
 // for a certain scope.
-func New(scope string) *Config {
-	cfg := &Config{
+func New(scope string) *FileManager {
+	fm := &FileManager{
 		User: &User{
 			Scope:         scope,
 			FileSystem:    webdav.Dir(scope),
@@ -46,26 +46,26 @@ func New(scope string) *Config {
 		BaseURL:    "",
 		PrefixURL:  "",
 		WebDavURL:  "/webdav",
-		BeforeSave: func(r *http.Request, c *Config, u *User) error { return nil },
-		AfterSave:  func(r *http.Request, c *Config, u *User) error { return nil },
+		BeforeSave: func(r *http.Request, c *FileManager, u *User) error { return nil },
+		AfterSave:  func(r *http.Request, c *FileManager, u *User) error { return nil },
 	}
 
-	cfg.Handler = &webdav.Handler{
-		Prefix:     cfg.WebDavURL,
-		FileSystem: cfg.FileSystem,
+	fm.Handler = &webdav.Handler{
+		Prefix:     fm.WebDavURL,
+		FileSystem: fm.FileSystem,
 		LockSystem: webdav.NewMemLS(),
 	}
 
-	return cfg
+	return fm
 }
 
 // AbsoluteURL ...
-func (c Config) AbsoluteURL() string {
+func (c FileManager) AbsoluteURL() string {
 	return c.PrefixURL + c.BaseURL
 }
 
 // AbsoluteWebdavURL ...
-func (c Config) AbsoluteWebdavURL() string {
+func (c FileManager) AbsoluteWebdavURL() string {
 	return c.PrefixURL + c.WebDavURL
 }
 
@@ -113,4 +113,4 @@ func (u User) Allowed(url string) bool {
 }
 
 // Command is a user-defined command that is executed in some moments.
-type Command func(r *http.Request, c *Config, u *User) error
+type Command func(r *http.Request, c *FileManager, u *User) error
diff --git a/http.go b/http.go
index 6e49a3f1..d6c851a1 100644
--- a/http.go
+++ b/http.go
@@ -11,9 +11,9 @@ import (
 )
 
 // ServeHTTP starts FileManager.
-func (c *Config) ServeHTTP(w http.ResponseWriter, r *http.Request) (int, error) {
+func (c *FileManager) ServeHTTP(w http.ResponseWriter, r *http.Request) (int, error) {
 	var (
-		fi   *file
+		fi   *fileInfo
 		user *User
 		code int
 		err  error
@@ -127,7 +127,7 @@ func (c *Config) ServeHTTP(w http.ResponseWriter, r *http.Request) (int, error)
 
 	if r.Method == http.MethodGet {
 		// Gets the information of the directory/file
-		fi, err = getFile(r.URL, c, user)
+		fi, err = getFileInfo(r.URL, c, user)
 		code = errorToHTTPCode(err, false)
 		if err != nil {
 			if r.Method == http.MethodGet {
diff --git a/http_checksum.go b/http_checksum.go
index 12039a6a..58f9fe0e 100644
--- a/http_checksum.go
+++ b/http_checksum.go
@@ -14,7 +14,7 @@ import (
 )
 
 // checksum calculates the hash of a filemanager. Supports MD5, SHA1, SHA256 and SHA512.
-func (c *Config) checksum(w http.ResponseWriter, r *http.Request, i *file) (int, error) {
+func (c *FileManager) checksum(w http.ResponseWriter, r *http.Request, i *fileInfo) (int, error) {
 	query := r.URL.Query().Get("checksum")
 
 	file, err := os.Open(i.Path)
diff --git a/http_command.go b/http_command.go
index 2529b152..3893473b 100644
--- a/http_command.go
+++ b/http_command.go
@@ -22,7 +22,7 @@ var (
 )
 
 // command handles the requests for VCS related commands: git, svn and mercurial
-func (c *Config) command(w http.ResponseWriter, r *http.Request, u *User) (int, error) {
+func (c *FileManager) command(w http.ResponseWriter, r *http.Request, u *User) (int, error) {
 	// Upgrades the connection to a websocket and checks for errors.
 	conn, err := upgrader.Upgrade(w, r, nil)
 	if err != nil {
diff --git a/http_download.go b/http_download.go
index 6d987d58..f1556153 100644
--- a/http_download.go
+++ b/http_download.go
@@ -14,7 +14,7 @@ import (
 
 // download creates an archive in one of the supported formats (zip, tar,
 // tar.gz or tar.bz2) and sends it to be downloaded.
-func (c *Config) download(w http.ResponseWriter, r *http.Request, i *file) (int, error) {
+func (c *FileManager) download(w http.ResponseWriter, r *http.Request, i *fileInfo) (int, error) {
 	query := r.URL.Query().Get("download")
 
 	if !i.IsDir {
diff --git a/http_listing.go b/http_listing.go
index 3f82bc7e..11480a88 100644
--- a/http_listing.go
+++ b/http_listing.go
@@ -10,11 +10,11 @@ import (
 )
 
 // serveListing presents the user with a listage of a directory folder.
-func (c *Config) serveListing(w http.ResponseWriter, r *http.Request, u *User, i *file) (int, error) {
+func (c *FileManager) serveListing(w http.ResponseWriter, r *http.Request, u *User, i *fileInfo) (int, error) {
 	var err error
 
 	// Loads the content of the directory
-	listing, err := GetListing(u, i.VirtualPath, c.PrefixURL+r.URL.Path)
+	listing, err := getListing(u, i.VirtualPath, c.PrefixURL+r.URL.Path)
 	if err != nil {
 		return errorToHTTPCode(err, true), err
 	}
diff --git a/http_put.go b/http_put.go
index 679b9802..fa41658e 100644
--- a/http_put.go
+++ b/http_put.go
@@ -14,7 +14,7 @@ import (
 )
 
 // preProccessPUT is used to update a file that was edited
-func (c *Config) preProccessPUT(w http.ResponseWriter, r *http.Request, u *User) (err error) {
+func (c *FileManager) preProccessPUT(w http.ResponseWriter, r *http.Request, u *User) (err error) {
 	var (
 		data      = map[string]interface{}{}
 		file      []byte
diff --git a/http_search.go b/http_search.go
index 8604fcc5..9e656de2 100644
--- a/http_search.go
+++ b/http_search.go
@@ -43,7 +43,7 @@ func parseSearch(value string) *searchOptions {
 }
 
 // search ...
-func (c *Config) search(w http.ResponseWriter, r *http.Request, u *User) (int, error) {
+func (c *FileManager) search(w http.ResponseWriter, r *http.Request, u *User) (int, error) {
 	// Upgrades the connection to a websocket and checks for errors.
 	conn, err := upgrader.Upgrade(w, r, nil)
 	if err != nil {
diff --git a/http_single.go b/http_single.go
index fbf0f47d..32f9dbed 100644
--- a/http_single.go
+++ b/http_single.go
@@ -7,7 +7,7 @@ import (
 
 // serveSingle serves a single file in an editor (if it is editable), shows the
 // plain file, or downloads it if it can't be shown.
-func (c *Config) serveSingle(w http.ResponseWriter, r *http.Request, u *User, i *file) (int, error) {
+func (c *FileManager) serveSingle(w http.ResponseWriter, r *http.Request, u *User, i *fileInfo) (int, error) {
 	var err error
 
 	if err = i.RetrieveFileType(); err != nil {
diff --git a/http_utils.go b/http_utils.go
deleted file mode 100644
index 6ce6f8ea..00000000
--- a/http_utils.go
+++ /dev/null
@@ -1,24 +0,0 @@
-package filemanager
-
-import (
-	"net/http"
-	"os"
-)
-
-// errorToHTTPCode converts errors to HTTP Status Code.
-func errorToHTTPCode(err error, gone bool) int {
-	switch {
-	case os.IsPermission(err):
-		return http.StatusForbidden
-	case os.IsNotExist(err):
-		if !gone {
-			return http.StatusNotFound
-		}
-
-		return http.StatusGone
-	case os.IsExist(err):
-		return http.StatusGone
-	default:
-		return http.StatusInternalServerError
-	}
-}
diff --git a/listing.go b/listing.go
index 79c53c11..0b4468c9 100644
--- a/listing.go
+++ b/listing.go
@@ -11,14 +11,14 @@ import (
 	"github.com/mholt/caddy/caddyhttp/httpserver"
 )
 
-// A Listing is the context used to fill out a template.
-type Listing struct {
+// A listing is the context used to fill out a template.
+type listing struct {
 	// The name of the directory (the last element of the path)
 	Name string
 	// The full path of the request relatively to a File System
 	Path string
 	// The items (files and folders) in the path
-	Items []file
+	Items []fileInfo
 	// The number of directories in the listing
 	NumDirs int
 	// The number of files (items that aren't directories) in the listing
@@ -32,8 +32,8 @@ type Listing struct {
 	httpserver.Context `json:"-"`
 }
 
-// GetListing gets the information about a specific directory and its files.
-func GetListing(u *User, filePath string, baseURL string) (*Listing, error) {
+// getListing gets the information about a specific directory and its files.
+func getListing(u *User, filePath string, baseURL string) (*listing, error) {
 	// Gets the directory information using the Virtual File System of
 	// the user configuration.
 	file, err := u.FileSystem.OpenFile(context.TODO(), filePath, os.O_RDONLY, 0)
@@ -49,7 +49,7 @@ func GetListing(u *User, filePath string, baseURL string) (*Listing, error) {
 	}
 
 	var (
-		fileinfos           []*file
+		fileinfos           []fileInfo
 		dirCount, fileCount int
 	)
 
@@ -71,7 +71,7 @@ func GetListing(u *User, filePath string, baseURL string) (*Listing, error) {
 		// Absolute URL
 		url := url.URL{Path: baseURL + name}
 
-		i := &file{
+		i := fileInfo{
 			Name:        f.Name(),
 			Size:        f.Size(),
 			ModTime:     f.ModTime(),
@@ -85,7 +85,7 @@ func GetListing(u *User, filePath string, baseURL string) (*Listing, error) {
 		fileinfos = append(fileinfos, i)
 	}
 
-	return &Listing{
+	return &listing{
 		Name:     path.Base(filePath),
 		Path:     filePath,
 		Items:    fileinfos,
@@ -95,7 +95,7 @@ func GetListing(u *User, filePath string, baseURL string) (*Listing, error) {
 }
 
 // ApplySort applies the sort order using .Order and .Sort
-func (l Listing) ApplySort() {
+func (l listing) ApplySort() {
 	// Check '.Order' to know how to sort
 	if l.Order == "desc" {
 		switch l.Sort {
@@ -124,10 +124,10 @@ func (l Listing) ApplySort() {
 	}
 }
 
-// Implement sorting for Listing
-type byName Listing
-type bySize Listing
-type byTime Listing
+// Implement sorting for listing
+type byName listing
+type bySize listing
+type byTime listing
 
 // By Name
 func (l byName) Len() int {
diff --git a/page.go b/page.go
index ba46b4f8..0e44acd6 100644
--- a/page.go
+++ b/page.go
@@ -11,6 +11,15 @@ import (
 	"strings"
 )
 
+// Create the functions map, then the template, check for erros and
+// execute the template if there aren't errors
+var functionMap = template.FuncMap{
+	"Defined":      defined,
+	"CSS":          css,
+	"Marshal":      marshal,
+	"EncodeBase64": encodeBase64,
+}
+
 // page contains the informations and functions needed to show the Page
 type page struct {
 	Info    *pageInfo
@@ -23,7 +32,7 @@ type pageInfo struct {
 	Path    string
 	IsDir   bool
 	User    *User
-	Config  *Config
+	Config  *FileManager
 	Data    interface{}
 	Editor  bool
 	Display string
diff --git a/functions.go b/utils.go
similarity index 67%
rename from functions.go
rename to utils.go
index a85d3991..bb8592ce 100644
--- a/functions.go
+++ b/utils.go
@@ -5,18 +5,11 @@ import (
 	"encoding/json"
 	"html/template"
 	"log"
+	"net/http"
+	"os"
 	"reflect"
 )
 
-// Create the functions map, then the template, check for erros and
-// execute the template if there aren't errors
-var functionMap = template.FuncMap{
-	"Defined":      defined,
-	"CSS":          css,
-	"Marshal":      marshal,
-	"EncodeBase64": encodeBase64,
-}
-
 // defined checks if variable is defined in a struct
 func defined(data interface{}, field string) bool {
 	t := reflect.Indirect(reflect.ValueOf(data)).Type()
@@ -45,3 +38,21 @@ func marshal(v interface{}) template.JS {
 func encodeBase64(s string) string {
 	return base64.StdEncoding.EncodeToString([]byte(s))
 }
+
+// errorToHTTPCode converts errors to HTTP Status Code.
+func errorToHTTPCode(err error, gone bool) int {
+	switch {
+	case os.IsPermission(err):
+		return http.StatusForbidden
+	case os.IsNotExist(err):
+		if !gone {
+			return http.StatusNotFound
+		}
+
+		return http.StatusGone
+	case os.IsExist(err):
+		return http.StatusGone
+	default:
+		return http.StatusInternalServerError
+	}
+}
diff --git a/functions_test.go b/utils_test.go
similarity index 100%
rename from functions_test.go
rename to utils_test.go