Option to change the editor's background

[Naheel-Azawy]

I'm using arc dark theme and it is very hard to read some parts of the code.
So can you add option to change the background color

Everything else is great so far

[alsoijw]

In my fork you can change color scheme.
https://github.com/alsoijw/valama

[Naheel-Azawy]

@alsoijw I got this error

/home/naheel/GoodStuff/valama/guanako/scanner/valaparser.vala:597.5-597.36: error: Assignment: Cannot convert from `int' to `Vala.Expression?'
                array_type.length = array_length;

[alsoijw]

What branch do you try to build? I don't change this code so I can't speak anyone. I don't change this code so I can't speak about it.