potential improvements: only load the file once and use fods instead of
ods

I'm unsure on what the difference to o:Math actually is, so just make
sure the element and its contents are not ignored and each contained
m:oMath will be read in separately.

Else (on 64bits platform) the driver smashes our stack: SQL_ULEN is 64 bits
Widen result type of getQueryTimeOut, getMaxFieldSize and getMaxRows so that it will always fit

- as long as we still have the slow build.pl run for top-level build

GTK themes expect the button and the editing area to be swapped in RTL.

When entering pass count 2 it is expected that the breakpoint is
passed two times before breaking not to break the second time.

Also fixed a crash due to dangling pointers of breakpoints.