[Compiler Fix] Fix exception name typo (#957)

* print compile exception

* print exception, but not stop complition

* revert exception print

src/Neo.Compiler.CSharp/CompilationEngine.cs

@@ -138,11 +138,7 @@ private List<CompilationContext> CompileProjectContracts(Compilation compilation
             if (classDependencies.Count == 0) throw new FormatException("No valid neo SmartContract found. Please make sure your contract is subclass of SmartContract and is not abstract.");
             // Check contract dependencies, make sure there is no cycle in the dependency graph
             var sortedClasses = TopologicalSort(classDependencies);
-            foreach (var classSymbol in sortedClasses)
-            {
-                new CompilationContext(this, classSymbol).Compile();
-            }
-
+            sortedClasses.ForEach(c => new CompilationContext(this, c).Compile());
             return Contexts.Select(p => p.Value).ToList();
         }
 

src/Neo.Compiler.CSharp/DiagnosticId.cs

@@ -15,7 +15,7 @@ static class DiagnosticId
         public const string NoEntryPoint = "NC1001";
         public const string ExternMethod = "NC1002";
         public const string NoParameterlessConstructor = "NC1003";
-        public const string MultiplyContracts = "NC1004";
+        public const string MultipleContracts = "NC1004";
         public const string SyntaxNotSupported = "NC2001";
         public const string EventReturns = "NC2002";
         public const string NonStaticDelegate = "NC2003";