* harbour/contrib/examples/uhttpd/uhttpd.prg
* error string formatting
using hb_GTInfo() functions. Tested only in windows.
* harbour/contrib/examples/uhttpd/session.prg
+ added retrying in case of error in writing / deleting session files.
* harbour/contrib/examples/uhttpd/cgifunc.prg
* changed FCreate() to hb_FCreate()