WHATSNEW For 'tsshbatch' 1.171 (Tue Oct 29 10:28:22 CDT 2013)

Added note about -N canceling -k.

Fixed -N so that it cancels any keychange auth option.

WHATSNEW For 'tsshbatch' 1.170 (Tue Oct 29 10:06:14 CDT 2013)

More variable substitution bug fixes.

Factored variable substitution into VarSub() and fixed bug that failed to do ...

substitution on host names passed with -H.

WHATSNEW For 'tsshbatch' 1.168 (Tue Oct 29 09:16:13 CDT 2013)

Documented variable substitution on the command line hosts and command arguments.

Added variable substitution to the command passed on the command line.

WHATSNEW For 'tsshbatch' 1.167 (Mon Oct 28 21:59:13 CDT 2013)

Minor edit in the Environment section.

WHATSNEW For 'tsshbatch' 1.167 (Mon Oct 28 21:55:50 CDT 2013)

Formattting fix.

WHATSNEW For 'tsshbatch' 1.167 (Mon Oct 28 21:53:09 CDT 2013)

Fixed typos and general editing.

WHATSNEW For 'tsshbatch' 1.167 (Mon Oct 28 20:17:11 CDT 2013)

Minor formatting cleanup.

Fixed bug that was causing *all* "=" signs to be removed from the RHS of a .define statement. Now it properly only uses the leftmost as a delimiter between LHS and RHS and leaves the rest, if any, alone.

Documented -t, -x. variable definitions, search paths, and did general doc improvement.

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Renamed tsearchpath() to SearchPath() and had it return first matching ...

filepath as a string, not a list.  Adjusted ReadFile() accordingly.
Added explicit check to make sure a FQ filename passed on the command line
was not actually the name of a directory.

Minor cosmetic change.

First full implementation of path searching for command files and host list files. ...

Implemented -x option to override -t.

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Sorted symbol table test output.

Slight change in test mode report output order.

Implemented -t option and test mode.

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