Allow manual padding disable about base32-encode HOT 4 CLOSED

-module.exports = function base32Encode (buffer, variant) {
+module.exports = function base32Encode (buffer, variant, options) {
+  options = options || {}
+
-  var alphabet, padding
+  var alphabet, defaultPadding
 
   switch (variant) {
     case 'RFC3548':
     case 'RFC4648':
       alphabet = RFC4648
-      padding = true
+      defaultPadding = true
       break
     case 'RFC4648-HEX':
       alphabet = RFC4648_HEX
-      padding = true
+      defaultPadding = true
       break
     case 'Crockford':
       alphabet = CROCKFORD
-      padding = false
+      defaultPadding = false
       break
     default:
       throw new Error('Unknown base32 variant: ' + variant)
   }

+  var padding = (options.padding === undefined ? defaultPadding : options.padding)
   var length = buffer.byteLength
   var view = new Uint8Array(buffer)