Add constructor overload `CSharpSources(BindingContext context)`.
Add constructor overload `CSharpSources(BindingContext context)`.

ddobrev/CppSharp,ddobrev/CppSharp,zillemarco/CppSharp,mono/CppSharp,zillemarco/CppSharp,mono/CppSharp,mono/CppSharp,mono/CppSharp,zillemarco/CppSharp,ddobrev/CppSharp,zillemarco/CppSharp,zillemarco/CppSharp,mono/CppSharp,mono/CppSharp,ddobrev/CppSharp,ddobrev/CppSharp