added: SLog class -- session logger

messages are displayed in the browser (with locales)
changed: MountParser
         now if there is an error in a line -- the line is simply skipped
         


git-svn-id: svn://ttmath.org/publicrep/winix/trunk@741 e52654a7-88a9-db11-a3e9-0013d4bc506e

core/textstream.h

@@ -37,6 +37,8 @@ public:
 	const StringType & Str() const;
 	const CharType * CStr() const;
 
+	CharType operator[](size_t index);
+
 	TextStream & operator<<(const char * str);
 	TextStream & operator<<(const std::string * str);
 	TextStream & operator<<(const std::string & str);
@@ -106,6 +108,13 @@ const typename TextStream<StringType>::CharType * TextStream<StringType>::CStr()
 }
 
 
+template<class StringType>
+typename TextStream<StringType>::CharType TextStream<StringType>::operator[](size_t index)
+{
+	return buffer[index];
+}
+
+
 
 template<class StringType>
 TextStream<StringType> & TextStream<StringType>::operator<<(const char * str)