clients.console: make print schedule the printing thus avoid a glitch when user presses shortcut

darcs-hash:20090330075541-b2873-924606e55f23639f783252f86746a2dda6cf9c60
clients.console: more sensible defaults for recv_char() function

darcs-hash:20090330082729-b2873-69bcb3dc1e8c082f0ce5703b1e11176ce2947b45