Bar graph added.

node_modules/gauge/has-color.js

@@ -0,0 +1,12 @@
+'use strict'
+
+module.exports = isWin32() || isColorTerm()
+
+function isWin32 () {
+  return process.platform === 'win32'
+}
+
+function isColorTerm () {
+  var termHasColor = /^screen|^xterm|^vt100|color|ansi|cygwin|linux/i
+  return !!process.env.COLORTERM || termHasColor.test(process.env.TERM)
+}