ide: fixing resize window command
l2l: adding lively.net.lively2lively.listSessions interactive command
codesearch widget: Command-L / Control-L toggles serversearchCheckBox
selectionnarrowing: extract doFilter
livelylang: queueUntil -> workerWithCallbackQueue
ide: askpass -- password prompt for sudo
l2l: extracting often used l2l functions into lively.net.tools.Functions
l2l: attempt to fix getSessions / sleep bug