wrong encoding

[thomasaustria]

This is the output on an arduino due with the sample sketch:
wiki:pedia = d2lraTpwZWRpYQA=
This is however wrong. It should be "d2lraTpwZWRpYQ==".
Both string side by side:

d2lraTpwZWRpYQA=
d2lraTpwZWRpYQ==

[palto42]

Please see #12 (comment) and pull request #23