Rewrote some of the socket code to allow m_ssl to be a service.

This allows modules (xmlrpc) to create and accept SSL connections.
Also fixed unloading m_mysql at certain times and made the threading
engine always work correctly on Windows.

src/misc.cpp

@@ -1317,7 +1317,7 @@ void Anope::Unhex(const Anope::string &src, char *dest)
 const Anope::string Anope::LastError()
 {
 #ifndef _WIN32
-	return LastError();
+	return strerror(errno);
 #else
 	char errbuf[513];
 	DWORD err = GetLastError();