Add color package that I had creeping around in my GOPATH

Fixes #1

color/color.go

@@ -0,0 +1,53 @@
+// Package color is a very basic ANSI escape sequence colorer.
+// Use it like this:
+//
+//     fmt.Println(color.Text(color.Red) + "I AM SO RED" + color.Reset())
+//     fmt.Println(color.All(color.Red, false, color.White) + "Red on white." + color.Reset())
+//
+package color
+
+import (
+	"strconv"
+)
+
+type Color int
+
+const (
+	Black Color = iota + 1
+	Red
+	Green
+	Yellow
+	Blue
+	Magenta
+	Cyan
+	White
+)
+
+func Text(c Color) string {
+	return "\x1b[" + strconv.Itoa(int(c)+29) + "m"
+}
+func All(foreground Color, bright bool, background Color) string {
+	if bright {
+		return "\x1b[1;" + strconv.Itoa(int(foreground)+29) + ";" + strconv.Itoa(int(background)+39) + "m"
+	} else {
+		return "\x1b[" + strconv.Itoa(int(foreground)+29) + ";" + strconv.Itoa(int(background)+39) + "m"
+	}
+}
+func Reset() string {
+	return "\x1b[m"
+}
+
+// Error() returns an error string colored red
+func Error(e error) string {
+	return Text(Red) + e.Error() + Reset()
+}
+
+// Pass() returns a cute little green check mark ✓
+func Pass() string {
+	return Text(Green) + "✓" + Reset()
+}
+
+// Fail() returns a cute little red cross mark ✗
+func Fail() string {
+	return Text(Red) + "✗" + Reset()
+}

device.go

@@ -5,8 +5,7 @@ import (
 	"os"
 	"unsafe"
 
-	"color"
-
+	"github.com/yobert/alsa/color"
 	"github.com/yobert/alsa/misc"
 	"github.com/yobert/alsa/pcm"
 )