/functions command doesn't work if the text file (function file) isn't coded as ANSI.

Put the summary of the bug you're having here

• /functions command doesn't work if the text file (function file) isn't coded as ANSI. For example I wanted to have custom symbols (like this ✧, from http://jaffagazanian.tumblr.com/post/5528389956/cool-characters-symbols) in my tellraw command but when I turn the coding of the file to unicode, function command doesn't recognize the file anymore.

What I expected to happen was...:
Describe what you thought should happen here

• I expected that the function command would work as usual.

What actually happened was...:
Describe what happened here

• When I isuue the funtion command, I get an error message: "Unknown function"

Steps to Reproduce:
Put a step by step guide on how to trigger the bug here
1. Create a new function as usual
2. Turn the coding from ANSI to Unicode
3. Try to run the function command