History of Base64 encoding and decoding

Fix anchor link

Fix URL

Revert to revision of 2016-05-10 13:29:37 by todofixthis: "The decode script I provided presented issues on further testing. Some amendment should still be made to this page to ensure it is communicated that this will fail upon encountering certain charac

The decode method did not work, whitespace characters are not encoded properly and cause the decodeURIComponent method to return a Malformed URI exception. The updated code addresses this issue.