allow to parse a time decimal fraction in ParseTime() method

while here:
- let ParseDate() is able to parse such formats: "20081012" (without a separator)
  and without the month or day e.g: "2008" or "200810"
- let ParseTime() is able to parse a time without separators, e.g.:
  "141030", or "1410" or just "14"
- let Parse(...) method use ParseDate() and ParseTime()
  this will parse a format similar to ISO 8601

src/convert/convert.h

@@ -5,7 +5,7 @@
  */
 
 /* 
- * Copyright (c) 2012-2021, Tomasz Sowa
+ * Copyright (c) 2012-2022, Tomasz Sowa
  * All rights reserved.
  * 
  * Redistribution and use in source and binary forms, with or without
@@ -32,8 +32,8 @@
  *
  */
 
-#ifndef headerfile_pikotools_src_membuffer_convert_convert
-#define headerfile_pikotools_src_membuffer_convert_convert
+#ifndef headerfile_pikotools_src_convert_convert
+#define headerfile_pikotools_src_convert_convert
 
 
 #include "inttostr.h"

src/convert/double.h

@@ -32,8 +32,8 @@
  *
  */
 
-#ifndef headerfile_pikotools_src_membuffer_convert_double
-#define headerfile_pikotools_src_membuffer_convert_double
+#ifndef headerfile_pikotools_src_convert_double
+#define headerfile_pikotools_src_convert_double
 
 #include <string>