urlencode
🔗NAME
urlencode
🔗SYNOPSIS
encode a string in a websage manner
🔗USAGE
local ds = require "lib/dtutils.string"
local result = ds.urlencode(str)
str - string - the string that needs to be made websafe
🔗DESCRIPTION
urlencode converts a string into a websafe version suitable for use in a web browser.
🔗RETURN VALUE
result - string - a websafe string
🔗REFERENCE
https://forums.coronalabs.com/topic/43048-remove-special-characters-from-string