fixed: SourceCodeClassifier fails to return anything if an exception occurred while getting FSharpMemberFunctionOrValue.FullType
SourceCodeClassifier optimization: FSharpMemberFucntionOrValue.FullType is called on the last match case only
Merge pull request #570 from vasily-kirichenko/fix-classifier-crashes-on-func-full-type

fixed: SourceCodeClassifier fails to return anything if an exception occurred while getting FSharpMemberFunctionOrValue.FullType