0.50 - added dictionary::detach and dictionary::getValue(key)
added xmldom::getNullNode()
improved xml printing for text nodes
signalmanager::waitForSignal(NULL) works as expected now
updated charstring::httpEscape not to escape legal symbols
added flush() method to stdio classes
added detection and support for vsnprintf_s
fixed serviceentry, protocolentry and rpcentry on windows
updated *entry classes for NULL and uninitialization safety
implemented filesystem::initialize(fd) for Windows
updated filesystem::initialize() with NULL and -1 to behave in
predictable ways now, updated documentation for them too
abstracted _get_osfhandle calls and added an invalid parameter callback
updated filedescriptor to use bit fields for all of its flags
implemented file::changeOwner() for windows
removed xattrs stuff
removed SSL-related ifdef's from headers and implemented degenerate
SSL routines for when SSL isn't supported
timezone conversion works on windows now
refactored bytebuffer and stringbuffer to be extent-based
fixed a subtle stringbuffer with initialcontents bug
refactored stringbuffer to use bytebuffer::write/appendFormatted
directly instead of charstring::parseNumber
implemented dynamicarray and staticarray classes
refactored build process to use nmake and be compatible with many
different versions of MS Visual Studio
updated vsnprintf_s calls for platforms where it's not defined
added configure test for bool and true/false and definitions for
platforms that don't define them
updated timed semaphore waits - if seconds or nanoseconds are negative
then the timed wait acts like an un-timed wait
added support for getsockopt with size_t optlen parameter
fixed strncasecmp on windows when str2 is longer than str1
xmlsax uses memorymap on Windows now
fixed file::lockFile() and file::unlockFile() on Windows
fixed charstring::printf on Solaris 2.5.1
fixed datetime::getSystemDateAndTime() for Windows without 64-bit
integers
fixed potential double-CloseHandle in thread class
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