ø charater is uppercased after encoding

[torvalde]

it should be like this:

Ø -> Ø
ø -> ø

this works in:

http://www.strictly-software.com/htmlencode

fix ready for merge:

#5

[everystone]

I spent way to long time tracking down this issue, well I guess that's what happens when the codebase uses old un-maintained npm packages like this one..