added: TextStream a class similar to std::ostringstream

but with a Clear() method
       the dynamic allocated buffer can be easily reused
added: DbTextStream a special version of a stream
       used to create a database string query
       everything is escaped by default
added: DbBase a base class with some basic methods for communicating
       with the database
added: DbConn a class for managing connection to the database
changed: some refactoring in Db class       



git-svn-id: svn://ttmath.org/publicrep/winix/trunk@655 e52654a7-88a9-db11-a3e9-0013d4bc506e

core/Makefile.o.dep

@@ -1 +1 @@
-o = acceptbaseparser.o app.o bbcodeparser.o compress.o config.o confparser.o db.o db_itemcolumns.o dircontainer.o dirs.o groups.o htmlfilter.o httpsimpleparser.o lastcontainer.o loadavg.o locale.o log.o misc.o mount.o mountparser.o mounts.o notify.o plugin.o plugindata.o postmultiparser.o rebus.o request.o session.o sessioncontainer.o sessionmanager.o sessionparser.o system.o users.o 
+o = acceptbaseparser.o app.o bbcodeparser.o compress.o config.o confparser.o dircontainer.o dirs.o groups.o htmlfilter.o httpsimpleparser.o lastcontainer.o loadavg.o locale.o log.o misc.o mount.o mountparser.o mounts.o notify.o plugin.o plugindata.o postmultiparser.o rebus.o request.o session.o sessioncontainer.o sessionmanager.o sessionparser.o system.o textstream.o users.o