Improve matching from import generic stack. Fix #278
Improve matching from import generic stack. Fix #278

That's not pretty, we should not match against strings. We should rather keep in the context the original method
that we could compare, but as a quick fix, this will do.

jbevain/cecil,sailro/cecil,SiliconStudio/Mono.Cecil,mono/cecil,fnajera-rac-de/cecil