work in progress
iterator_interface has been extended.
New algorithm: search().
Added bit swapping capability for HBitmap.
conversion from non-const to const HBitmap iterator added.
Random access operations support added to HBitmap iterators.
Fixed warning in msvcxx.
Fix compilation errors on Cygwin.
Disallow unsecure umask setting.
Fake working umask on Windows :(.
Typo fix.
Ensure process has `only limited'(!) access to resources.
RLIMIT_NPROC is not available on Solaris.
Fixed Solaris build problem.
Setting data size limit is not implemented on Cygwin.
rlimit test compile on msvcxx too.
Spelling problem fix.
HException class made way lighter.
Changed HException and HExceptionT<> interface.
Added support for propagating exceptions through thread boundary.