TclOO and iTcl object support and bug fixes
- TclOO objects are recognized and tab completion is now provided for methods.
- iTcl objects are recognized and tab completion provided for methods plus variable name completion provided for cget and configure methods.
- $ regression fixed.
- regression in tab completion of filenames of external commands is now fixed.
- tclreadline is now compatible with GNU Readline 6.x.
- Several new test cases have been added.
Sincere thanks to @dbohdan for this work. This work was funded by a bounty program established by FlightAware (https://github.com/flightaware/Tcl-bounties) and fulfilled the terms of the bounty offered for work on tclreadline.