code: @Nonnull
    @ReturnsMutableCopy
    public static ICommonsList <String> getExploded (final char cSep, @Nullable final String sElements)
    {
      return getExploded (cSep, sElements, -1);
    }
docs: Take a concatenated String and return a {@link ICommonsList} of all elements
  in the passed string, using specified separator string.
  
  @param cSep
  The separator character to use.
  @param sElements
  The concatenated String to convert. May be <code>null</code> or empty.
  @return The {@link ICommonsList} represented by the passed string. Never
  <code>null</code>. If the passed input string is <code>null</code> or
  "" an empty list is returned.