bugfix in manipulateConfig

[tscheypidi]

bugfix in manipulateConfig (GAMS allows "/" in quoted comments but not in unquoted comments)

This fixes issue #88

[orichters]

Thanks, @tscheypidi, for the quick reaction.

• I did some tests using Regex Coach with the new setting and it looks very good.
• I checked the new version on REMIND main.gms, added some / here and there and it works as intended.
• According to gams.com, either single or double quotes may be used. Is it worth to replace (\"[^\"]*\"|) by (\"[^\"]*\"|\'[^\']*\'|) or something like that? In REMIND, double quotes seem to be used consistently.

[tscheypidi]

I could imagine that someone uses the single quotes within the double quotes which would mess up the detection again. So I suggest to stick to double quotes only

[orichters]

this is indeed true. I checked REMIND again and couldn't find any declaration using single quotes. Maybe I will approach Lavinia and tell her we should put that in the coding etiquette such that it remains this way.