fix 'operator bool()' workaround for borland
explicit handling of bool conversion operator or borland removed
default assignment operator added to resolve bcc problems
Borland fix broke VC6
intended borland fix
workaroud for borland seems to require more work, current code is not working
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gcc-2.95 fix
removed Borland workaround which broke iostreams on Borland
CRAY X1 patch
moved includes around to avoid http://gcc.gnu.org/PR18604 in GCC 3.4.x/4.0.x
Fix HTML
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Merged from 1.33.0 release
changed cast
Large patch from Ulrich Eckhardt to fix support for EVC++ 4.
fixed vc7.1 iterator conversion problems
merge from 1.33.1
added new convinience funcs