o Time out connection attempt after 10 seconds
o Abort if out of memory when mmap'ing coroutine stack
o Stop leaking coroutine stack memory
o Improve perfornmance of ZRLE encoding by avoiding memmove
o Only trigger keyboard grab sequence upon key release to
allow modifiers to go to the remote server
o Avoid busy loop upon I/O error which follows blocking I/O,
commonly seen when a server drops the connection
o Fix handling of --no-undefined flag
o Don't break implicit pointer grab from mouse clicks
o Don't drop mouse events that are out of bounds, clamp their
coordinates instead
o Show how to block all accelerators in gvncviewer demo program
