Upgraded RailwaySharp from Version 1.1.0 (#562)

Author: gsscoder

src/CommandLine/CommandLine.csproj

@@ -4,7 +4,7 @@
 		<AssemblyName>CommandLine</AssemblyName>
 		<OutputType>Library</OutputType>
 		<TargetFrameworks>netstandard2.0;net40;net45;net461</TargetFrameworks>
-		<DefineConstants>$(DefineConstants);CSX_EITHER_INTERNAL;CSX_REM_EITHER_BEYOND_2;CSX_ENUM_INTERNAL;ERRH_INTERNAL;ERRH_DISABLE_INLINE_METHODS;CSX_MAYBE_INTERNAL;CSX_REM_EITHER_FUNC;CSX_REM_CRYPTORAND</DefineConstants>
+		<DefineConstants>$(DefineConstants);CSX_EITHER_INTERNAL;CSX_REM_EITHER_BEYOND_2;CSX_ENUM_INTERNAL;ERRH_INTERNAL;CSX_MAYBE_INTERNAL;CSX_REM_EITHER_FUNC;CSX_REM_CRYPTORAND;ERRH_ADD_MAYBE_METHODS</DefineConstants>
 		<DefineConstants Condition="'$(BuildTarget)' != 'fsharp'">$(DefineConstants);SKIP_FSHARP</DefineConstants>
 		<GenerateDocumentationFile>true</GenerateDocumentationFile>
 		<AssemblyOriginatorKeyFile>..\..\CommandLine.snk</AssemblyOriginatorKeyFile>

src/CommandLine/Core/InstanceBuilder.cs

@@ -98,10 +98,10 @@ public static ParserResult<T> Build<T>(
                 var validationErrors = specPropsWithValue.Validate(SpecificationPropertyRules.Lookup(tokens));
 
                 var allErrors =
-                    tokenizerResult.SuccessfulMessages()
+                    tokenizerResult.SuccessMessages()
                         .Concat(missingValueErrors)
-                        .Concat(optionSpecPropsResult.SuccessfulMessages())
-                        .Concat(valueSpecPropsResult.SuccessfulMessages())
+                        .Concat(optionSpecPropsResult.SuccessMessages())
+                        .Concat(valueSpecPropsResult.SuccessMessages())
                         .Concat(validationErrors)
                         .Concat(setPropertyErrors)
                         .Memoize();

src/CommandLine/Core/Tokenizer.cs

@@ -74,7 +74,7 @@ public static Result<IEnumerable<Token>, Error> ExplodeOptionList(
 
             var flattened = exploded.SelectMany(x => x);
 
-            return Result.Succeed(flattened, tokenizerResult.SuccessfulMessages());
+            return Result.Succeed(flattened, tokenizerResult.SuccessMessages());
         }
 
         public static IEnumerable<Token> Normalize(