cpoll: StreamBuffer: reallocate buffer on overflow instead of throwing an exception
cpoll: fixed infinite loop in the case of performing an operation on an invalid handle
socketd: do not wait for control socket to become writable before closing
cpoll: bugfix
cpoll: don't EPOLL_CTL_DEL if handle is -1
socketd: don't explicitly delete control socket from CP::Poll
misc
socketd_cppsp: fix bugs related to module loading