Make robust (e.g. skipping step 1 button)

[0joshuaolson1]

Not to mention https://github.com/0joshuaolson1/0joshuaolson1.github.io/blob/master/shuffy/index.html#L10 (handled by #8)

[0joshuaolson1]

The hex string processing now accepts odd lengths and filters out non-'numeric's.

[0joshuaolson1]

For step 1, Shuffy should be able to display the number of nybbles/characters needed (a reusable area for displaying the qrng.anu.edu.au link!), and open more than one tab (if needed) otherwise.

[0joshuaolson1]

Changed to link method.

[0joshuaolson1]

Plan for elements:

randint:
1 to
I
prep link
recommend bytes
bytes
min bits
bits
link
try with hex (skips non-alphanumeric)
hex
result

shuffy:
list
alert when done
prep link
recommend bytes
bytes
min bits
bits
link
try with hex (skips non-alphanumeric)
alert when done (linked)
hex
result

See also #7