added: 'remember me' flag when logging

added: the session file
       sessions can still be available between starting and stopping the cmslu system


git-svn-id: svn://ttmath.org/publicrep/cmslu/trunk@529 e52654a7-88a9-db11-a3e9-0013d4bc506e

core/misc.h

@@ -37,6 +37,11 @@ std::string HtmlEscapeFormTxt(const std::string & in);
 const char * DateToStr(int year, int month, int day, int hour, int min, int sec);
 const char * DateToStr(tm * ptm);
 const char * DateToStr(time_t t);
+
+const char * DateToStrCookie(int year, int month, int day, int hour, int min, int sec);
+const char * DateToStrCookie(tm * ptm);
+const char * DateToStrCookie(time_t t);
+
 const char * IpToStr(unsigned int ip_);
 
 bool IsWhite(int s);