diff --git a/writeas/cli.go b/writeas/cli.go
index d94732a..f0480ba 100644
--- a/writeas/cli.go
+++ b/writeas/cli.go
@@ -1,420 +1,420 @@
 package main
 
 import (
 	"bufio"
 	"bytes"
 	"errors"
 	"fmt"
 	"github.com/atotto/clipboard"
 	"github.com/codegangsta/cli"
 	"io"
 	"io/ioutil"
 	"log"
 	"net/http"
 	"net/url"
 	"os"
 	"strconv"
 	"strings"
 )
 
 // API constants for communicating with Write.as.
 const (
 	apiUrl       = "https://write.as"
 	hiddenApiUrl = "http://writeas7pm7rcdqg.onion"
 	readApiUrl   = "https://write.as"
 )
 
 // Application constants.
 const (
 	version = "0.4"
 )
 
 // Defaults for posts on Write.as.
 const (
 	defaultFont = PostFontMono
 )
 
 // Available flags for creating posts
 var postFlags = []cli.Flag{
 	cli.BoolFlag{
 		Name:  "tor, t",
 		Usage: "Perform action on Tor hidden service",
 	},
 	cli.IntFlag{
 		Name:  "tor-port",
 		Usage: "Use a different port to connect to Tor",
 		Value: 9150,
 	},
 	cli.BoolFlag{
 		Name:  "code",
 		Usage: "Specifies this post is code",
 	},
 	cli.StringFlag{
 		Name:  "font",
 		Usage: "Sets post font to given value",
 		Value: defaultFont,
 	},
 }
 
 func main() {
 	initialize()
 
 	// Run the app
 	app := cli.NewApp()
 	app.Name = "writeas"
 	app.Version = version
 	app.Usage = "Simple text pasting and publishing"
 	app.Authors = []cli.Author{
 		{
 			Name:  "Write.as",
 			Email: "hello@write.as",
 		},
 	}
 	app.Action = cmdPost
 	app.Flags = postFlags
 	app.Commands = []cli.Command{
 		{
 			Name:   "post",
 			Usage:  "Alias for default action: create post from stdin",
 			Action: cmdPost,
 			Flags:  postFlags,
 			Description: `Create a new post on Write.as from stdin.
 
    Use the --code flag to indicate that the post should use syntax 
    highlighting. Or use the --font [value] argument to set the post's 
    appearance, where [value] is mono, monospace (default), wrap (monospace 
    font with word wrapping), serif, or sans.`,
 		},
 		{
 			Name:  "new",
 			Usage: "Compose a new post from the command-line and publish",
 			Description: `An alternative to piping data to the program.
 
    On Windows, this will use 'copy con' to start reading what you input from the
    prompt. Press F6 or Ctrl-Z then Enter to end input.
    On *nix, this will use the best available text editor, starting with the 
    value set to the EDITOR environment variable, or vim, or finally nano.
 
    Use the --code flag to indicate that the post should use syntax 
    highlighting. Or use the --font [value] argument to set the post's 
    appearance, where [value] is mono, monospace (default), wrap (monospace 
    font with word wrapping), serif, or sans.
    
    If posting fails for any reason, 'writeas' will show you the temporary file
    location and how to pipe it to 'writeas' to retry.`,
 			Action: cmdNew,
 			Flags:  postFlags,
 		},
 		{
 			Name:   "delete",
 			Usage:  "Delete a post",
 			Action: cmdDelete,
 			Flags: []cli.Flag{
 				cli.BoolFlag{
 					Name:  "tor, t",
 					Usage: "Delete via Tor hidden service",
 				},
 				cli.IntFlag{
 					Name:  "tor-port",
 					Usage: "Use a different port to connect to Tor",
 					Value: 9150,
 				},
 			},
 		},
 		{
 			Name:   "update",
 			Usage:  "Update (overwrite) a post",
 			Action: cmdUpdate,
 			Flags: []cli.Flag{
 				cli.BoolFlag{
 					Name:  "tor, t",
 					Usage: "Update via Tor hidden service",
 				},
 				cli.IntFlag{
 					Name:  "tor-port",
 					Usage: "Use a different port to connect to Tor",
 					Value: 9150,
 				},
 				cli.BoolFlag{
 					Name:  "code",
 					Usage: "Specifies this post is code",
 				},
 				cli.StringFlag{
 					Name:  "font",
 					Usage: "Sets post font to given value",
 				},
 			},
 		},
 		{
 			Name:   "get",
 			Usage:  "Read a raw post",
 			Action: cmdGet,
 			Flags: []cli.Flag{
 				cli.BoolFlag{
 					Name:  "tor, t",
 					Usage: "Get from Tor hidden service",
 				},
 				cli.IntFlag{
 					Name:  "tor-port",
 					Usage: "Use a different port to connect to Tor",
 					Value: 9150,
 				},
 			},
 		},
 		{
 			Name:  "add",
 			Usage: "Add an existing post locally",
 			Description: `A way to add an existing post to your local store for easy editing later.
 			
    This requires a post ID (from https://write.as/[ID]) and an Edit Token
    (exported from another Write.as client, such as the Android app).
 `,
 			Action: cmdAdd,
 		},
 		{
 			Name:   "list",
 			Usage:  "List local posts",
 			Action: cmdList,
 			Flags: []cli.Flag{
 				cli.BoolFlag{
 					Name:  "id",
 					Usage: "Show list with post IDs (default)",
 				},
 				cli.BoolFlag{
 					Name:  "url",
 					Usage: "Show list with URLs",
 				},
 			},
 		},
 	}
 
 	cli.CommandHelpTemplate = `NAME:
    {{.Name}} - {{.Usage}}
 
 USAGE:
    writeas {{.Name}}{{if .Flags}} [command options]{{end}} [arguments...]{{if .Description}}
 
 DESCRIPTION:
    {{.Description}}{{end}}{{if .Flags}}
 
 OPTIONS:
    {{range .Flags}}{{.}}
    {{end}}{{ end }}
 `
 
 	app.Run(os.Args)
 }
 
 func initialize() {
 	// Ensure we have a data directory to use
 	if !dataDirExists() {
 		createDataDir()
 	}
 }
 
 func readStdIn() []byte {
 	numBytes, numChunks := int64(0), int64(0)
 	r := bufio.NewReader(os.Stdin)
 	fullPost := []byte{}
 	buf := make([]byte, 0, 1024)
 	for {
 		n, err := r.Read(buf[:cap(buf)])
 		buf = buf[:n]
 		if n == 0 {
 			if err == nil {
 				continue
 			}
 			if err == io.EOF {
 				break
 			}
 			log.Fatal(err)
 		}
 		numChunks++
 		numBytes += int64(len(buf))
 
 		fullPost = append(fullPost, buf...)
 		if err != nil && err != io.EOF {
 			log.Fatal(err)
 		}
 	}
 
 	return fullPost
 }
 
 func check(err error) {
 	if err != nil {
-		fmt.Printf("%s\n", err)
+		fmt.Fprintf(os.Stderr, "writeas: %s\n", err)
 		os.Exit(1)
 	}
 }
 
 func handlePost(fullPost []byte, c *cli.Context) error {
 	tor := c.Bool("tor") || c.Bool("t")
 	if c.Int("tor-port") != 0 {
 		torPort = c.Int("tor-port")
 	}
 	if tor {
 		fmt.Println("Posting to hidden service...")
 	} else {
 		fmt.Println("Posting...")
 	}
 
 	return DoPost(fullPost, c.String("font"), false, tor, c.Bool("code"))
 }
 
 func client(read, tor bool, path, query string) (string, *http.Client) {
 	var u *url.URL
 	var client *http.Client
 	if tor {
 		u, _ = url.ParseRequestURI(hiddenApiUrl)
 		u.Path = "/api/" + path
 		client = torClient()
 	} else {
 		u, _ = url.ParseRequestURI(apiUrl)
 		u.Path = "/api/" + path
 		client = &http.Client{}
 	}
 	if query != "" {
 		u.RawQuery = query
 	}
 	urlStr := fmt.Sprintf("%v", u)
 
 	return urlStr, client
 }
 
 func DoFetch(friendlyId string, tor bool) {
 	path := friendlyId
 
 	urlStr, client := client(true, tor, path, "")
 
 	r, _ := http.NewRequest("GET", urlStr, nil)
 	r.Header.Add("User-Agent", "writeas-cli v"+version)
 
 	resp, err := client.Do(r)
 	check(err)
 	defer resp.Body.Close()
 
 	if resp.StatusCode == http.StatusOK {
 		content, err := ioutil.ReadAll(resp.Body)
 		check(err)
 		fmt.Printf("%s\n", string(content))
 	} else if resp.StatusCode == http.StatusNotFound {
 		fmt.Printf("Post not found.\n")
 	} else {
 		fmt.Printf("Problem getting post: %s\n", resp.Status)
 	}
 }
 
 func DoPost(post []byte, font string, encrypt, tor, code bool) error {
 	data := url.Values{}
 	data.Set("w", string(post))
 	if encrypt {
 		data.Add("e", "")
 	}
 	data.Add("font", getFont(code, font))
 
 	urlStr, client := client(false, tor, "", "")
 
 	r, _ := http.NewRequest("POST", urlStr, bytes.NewBufferString(data.Encode()))
 	r.Header.Add("User-Agent", "writeas-cli v"+version)
 	r.Header.Add("Content-Type", "application/x-www-form-urlencoded")
 	r.Header.Add("Content-Length", strconv.Itoa(len(data.Encode())))
 
 	resp, err := client.Do(r)
 	if err != nil {
 		return err
 	}
 	defer resp.Body.Close()
 
 	if resp.StatusCode == http.StatusOK {
 		content, err := ioutil.ReadAll(resp.Body)
 		if err != nil {
 			return err
 		}
 
 		nlPos := strings.Index(string(content), "\n")
 		url := content[:nlPos]
 		idPos := strings.LastIndex(string(url), "/") + 1
 		id := string(url[idPos:])
 		token := string(content[nlPos+1 : len(content)-1])
 
 		addPost(id, token)
 
 		// Copy URL to clipboard
 		err = clipboard.WriteAll(string(url))
 		if err != nil {
-			fmt.Printf("Didn't copy to clipboard: %s\n", err)
+			fmt.Fprintf(os.Stderr, "writeas: Didn't copy to clipboard: %s\n", err)
 		} else {
 			fmt.Println("Copied to clipboard.")
 		}
 
 		// Output URL
 		fmt.Printf("%s\n", url)
 	} else {
 		return errors.New(fmt.Sprintf("Unable to post: %s", resp.Status))
 	}
 
 	return nil
 }
 
 func DoUpdate(post []byte, friendlyId, token, font string, tor, code bool) {
 	urlStr, client := client(false, tor, friendlyId, fmt.Sprintf("t=%s", token))
 
 	data := url.Values{}
 	data.Set("w", string(post))
 
 	if code || font != "" {
 		// Only update font if explicitly changed
 		data.Add("font", getFont(code, font))
 	}
 
 	r, _ := http.NewRequest("POST", urlStr, bytes.NewBufferString(data.Encode()))
 	r.Header.Add("User-Agent", "writeas-cli v"+version)
 	r.Header.Add("Content-Type", "application/x-www-form-urlencoded")
 	r.Header.Add("Content-Length", strconv.Itoa(len(data.Encode())))
 
 	resp, err := client.Do(r)
 	check(err)
 	defer resp.Body.Close()
 
 	if resp.StatusCode == http.StatusOK {
 		if tor {
 			fmt.Println("Post updated via hidden service.")
 		} else {
 			fmt.Println("Post updated.")
 		}
 	} else {
 		if debug {
 			fmt.Printf("Problem updating: %s\n", resp.Status)
 		} else {
 			fmt.Printf("Post doesn't exist, or bad edit token given.\n")
 		}
 	}
 }
 
 func DoDelete(friendlyId, token string, tor bool) {
 	urlStr, client := client(false, tor, friendlyId, fmt.Sprintf("t=%s", token))
 
 	r, _ := http.NewRequest("DELETE", urlStr, nil)
 	r.Header.Add("User-Agent", "writeas-cli v"+version)
 	r.Header.Add("Content-Type", "application/x-www-form-urlencoded")
 
 	resp, err := client.Do(r)
 	check(err)
 	defer resp.Body.Close()
 
 	if resp.StatusCode == http.StatusOK {
 		if tor {
 			fmt.Println("Post deleted from hidden service.")
 		} else {
 			fmt.Println("Post deleted.")
 		}
 		removePost(friendlyId)
 	} else {
 		if debug {
 			fmt.Printf("Problem deleting: %s\n", resp.Status)
 		} else {
 			fmt.Printf("Post doesn't exist, or bad edit token given.\n")
 		}
 	}
 }
diff --git a/writeas/commands.go b/writeas/commands.go
index 38586a6..cd9ff60 100644
--- a/writeas/commands.go
+++ b/writeas/commands.go
@@ -1,157 +1,157 @@
 package main
 
 import (
 	"fmt"
 	"github.com/codegangsta/cli"
 	"os"
 )
 
 func cmdPost(c *cli.Context) {
 	err := handlePost(readStdIn(), c)
 	check(err)
 }
 
 func cmdNew(c *cli.Context) {
 	fname, p := composeNewPost()
 	if p == nil {
 		// Assume composeNewPost already told us what the error was. Abort now.
 		os.Exit(1)
 	}
 
 	// Ensure we have something to post
 	if len(*p) == 0 {
 		// Clean up temporary post
 		if fname != "" {
 			os.Remove(fname)
 		}
 
 		fmt.Println("Empty post. Bye!")
 		os.Exit(0)
 	}
 
 	err := handlePost(*p, c)
 	if err != nil {
-		fmt.Printf("Error posting: %s\n", err)
+		fmt.Fprintf(os.Stderr, "Error posting: %s\n", err)
 		fmt.Println(messageRetryCompose(fname))
 		os.Exit(1)
 	}
 
 	// Clean up temporary post
 	if fname != "" {
 		os.Remove(fname)
 	}
 }
 
 func cmdDelete(c *cli.Context) {
 	friendlyId := c.Args().Get(0)
 	token := c.Args().Get(1)
 	if friendlyId == "" {
 		fmt.Println("usage: writeas delete <postId> [<token>]")
 		os.Exit(1)
 	}
 
 	if token == "" {
 		// Search for the token locally
 		token = tokenFromID(friendlyId)
 		if token == "" {
 			fmt.Println("Couldn't find an edit token locally. Did you create this post here?")
 			fmt.Printf("If you have an edit token, use: writeas delete %s <token>\n", friendlyId)
 			os.Exit(1)
 		}
 	}
 
 	tor := c.Bool("tor") || c.Bool("t")
 	if c.Int("tor-port") != 0 {
 		torPort = c.Int("tor-port")
 	}
 	if tor {
 		fmt.Println("Deleting via hidden service...")
 	} else {
 		fmt.Println("Deleting...")
 	}
 
 	DoDelete(friendlyId, token, tor)
 }
 
 func cmdUpdate(c *cli.Context) {
 	friendlyId := c.Args().Get(0)
 	token := c.Args().Get(1)
 	if friendlyId == "" {
 		fmt.Println("usage: writeas update <postId> [<token>]")
 		os.Exit(1)
 	}
 
 	if token == "" {
 		// Search for the token locally
 		token = tokenFromID(friendlyId)
 		if token == "" {
 			fmt.Println("Couldn't find an edit token locally. Did you create this post here?")
 			fmt.Printf("If you have an edit token, use: writeas update %s <token>\n", friendlyId)
 			os.Exit(1)
 		}
 	}
 
 	// Read post body
 	fullPost := readStdIn()
 
 	tor := c.Bool("tor") || c.Bool("t")
 	if c.Int("tor-port") != 0 {
 		torPort = c.Int("tor-port")
 	}
 	if tor {
 		fmt.Println("Updating via hidden service...")
 	} else {
 		fmt.Println("Updating...")
 	}
 
 	DoUpdate(fullPost, friendlyId, token, c.String("font"), tor, c.Bool("code"))
 }
 
 func cmdGet(c *cli.Context) {
 	friendlyId := c.Args().Get(0)
 	if friendlyId == "" {
 		fmt.Println("usage: writeas get <postId>")
 		os.Exit(1)
 	}
 
 	tor := c.Bool("tor") || c.Bool("t")
 	if c.Int("tor-port") != 0 {
 		torPort = c.Int("tor-port")
 	}
 	if tor {
 		fmt.Println("Getting via hidden service...")
 	} else {
 		fmt.Println("Getting...")
 	}
 
 	DoFetch(friendlyId, tor)
 }
 
 func cmdAdd(c *cli.Context) {
 	friendlyId := c.Args().Get(0)
 	token := c.Args().Get(1)
 	if friendlyId == "" || token == "" {
 		fmt.Println("usage: writeas add <postId> <token>")
 		os.Exit(1)
 	}
 
 	addPost(friendlyId, token)
 }
 
 func cmdList(c *cli.Context) {
 	urls := c.Bool("url")
 	ids := c.Bool("id")
 
 	var p Post
 	posts := getPosts()
 	for i := range *posts {
 		p = (*posts)[len(*posts)-1-i]
 		if ids || !urls {
 			fmt.Printf("%s ", p.ID)
 		}
 		if urls {
 			fmt.Printf("https://write.as/%s ", p.ID)
 		}
 		fmt.Print("\n")
 	}
 }