code: @Nullable
    public static <ENUMTYPE extends Enum <ENUMTYPE> & IHasName> ENUMTYPE getFromNameCaseInsensitiveOrNull (@Nonnull final Class <ENUMTYPE> aClass,
                                                                                                           @Nullable final String sName)
    {
      return getFromNameCaseInsensitiveOrDefault (aClass, sName, null);
    }
docs: Get the enum value with the passed name case insensitive
  
  @param <ENUMTYPE>
  The enum type
  @param aClass
  The enum class
  @param sName
  The name to search
  @return <code>null</code> if no enum item with the given ID is present.