- implement and write man page for`browse sender`
- fix up problem with --scriptPath option ... create TDShellTool>>browseLeafNodes:pattern:label: method
- catch up with tests
- recategorize some `browse` methods and throw the unused ones away
- `browse source`, `browse undeclared`, `browse variables`, and `browse versions` implemented and man pages written ... and tests defined ...
- one final pass to define refresh blocks needed