+ message handler can now take an explicit self
* typinfo fixed: sometimes the type names weren't written
* the type checking for pointer comparisations and subtraction
and are now more strict (was also buggy)
* small bug fix to link.pas to support compiling on another
drive
* probable bug in popt386 fixed: call/jmp => push/jmp
transformation didn't count correctly the jmp references
+ threadvar support
* warning if ln/sqrt gets an invalid constant argument
+ change_keywords_to_tp implemented to remove
keywords which aren't supported by tp
* break and continue are now symbols of the system unit
+ widestring, longstring and ansistring type released
* correct handling of hidding methods via virtual (COM)
* correct result type of constructor calls (COM), the resulttype
depends now on the type of the class reference